Perms are back – but not the crunchy, overly processed curls from the 1980s. This hair revival brings softer, more natural-looking waves and curls that fit perfectly into today’s fashion landscape. The perm technique has returned with major upgrades in both technology and styling approaches, making it one of the most requested salon services this year.
Modern perms look nothing like their historical counterparts. Today’s versions use gentler chemicals and specialized wrapping techniques that produce everything from beachy waves to defined spirals. The hair damage associated with old-school perms has been significantly reduced, while the styling versatility has increased. These improvements make the new generation of perms appealing to women who previously avoided chemical treatments.
Fashion trendsetters have helped fuel this curly revolution by showing how versatile and fresh permed styles can look. The appeal lies in the low-maintenance aspect – wake up with ready-to-go texture instead of spending hours with hot tools every morning. In the following sections, we’ll explore which perm styles work best for different hair types, how to keep your curls looking fresh, and whether this treatment might be right for you.
What Exactly Is the Modern Perm?
Perms have transformed dramatically from their 1980s reputation. The modern perm offers sophisticated texture and customized curl patterns that work with your natural hair. Hairstylists now use advanced techniques to create everything from soft beach waves to defined spirals, all without the damage and artificial look associated with traditional perms.
The definition of today’s reimagined perm technique
The modern perm is a chemical hair treatment that permanently alters your hair’s structure to create curls or waves. Unlike old-school perms that gave everyone the same tight, frizzy curls, today’s options are highly customizable. Your stylist can adjust the size of the rods, the processing time, and the solution strength to achieve your exact desired result.
What makes current perms so different? The key is personalization. Stylists now consider your hair texture, density, and desired outcome before selecting the right technique. You can choose from spot perms (perming only certain sections), partial perms (top layers only), or root perms (adding volume at the roots while leaving ends straight).
The modern approach also focuses on creating natural-looking results. Many women request “air-dried texture perms” that mimic the way their hair looks after swimming in the ocean or sleeping in braids. This casual, lived-in style has replaced the perfectly uniform curls of previous decades.
How chemical processes have evolved for healthier results
The chemistry behind perms has changed significantly. Traditional perms used harsh ammonium thioglycolate solutions that often left hair dry and damaged. Today’s formulations contain cysteamine-based chemicals that are much gentler on your hair shaft.
New perm solutions also contain conditioning agents that help maintain moisture during the chemical process. Some products even include bond-protecting additives similar to those found in professional color treatments. These innovations help preserve hair integrity while still creating lasting waves.
Another major improvement is the neutralizing process. Modern neutralizers work more efficiently to stop the chemical reaction at precisely the right moment. This prevents over-processing and minimizes potential damage to your hair cuticle.
Here’s how modern perm solutions have improved:
Lower pH Levels: Today’s formulas are less alkaline, reducing cuticle damage.
Added Conditioners: Built-in moisturizers help maintain hair health during processing.
Customizable Strength: Solutions can be mixed to match your hair’s specific needs.
Ammonia-Free Options: Gentler alternatives reduce the harsh smell and potential irritation.
Bond Protectors: Special additives help maintain the structural bonds within your hair.
Digital perms vs. traditional perms: Understanding the differences
Digital perms use heat technology along with chemicals to create more defined, longer-lasting curls. The process involves special heated rods connected to a machine that regulates temperature. This heat helps lock in the curl pattern more effectively than traditional cold perms.
With a digital perm, your hair will appear straighter when wet and curly when dry—the opposite of traditional perms. This makes digital perms ideal for women who want versatility and the option to wear their hair straight occasionally.
Traditional cold perms rely solely on chemicals to break and reform hair bonds. They work at room temperature and typically create tighter, springier curls that look curliest when wet. Cold perms generally work better on fine hair that might not hold a digital perm well.
The digital option typically costs more but offers better longevity and a more natural appearance. The heat technology also allows for larger, looser waves that closely resemble those created by curling irons—a look many women prefer to tight, springy curls.
Breaking down the longevity of various perm techniques
How long will your perm last? This depends on several factors including the technique used, your hair type, and your maintenance routine. On average, modern perms last between 3-6 months before needing a refresh.
Digital perms typically last longer than traditional perms due to the heat-setting process. You can expect 4-6 months of good curl definition before needing a touch-up. Traditional cold perms generally last 3-4 months before the curl pattern begins to relax significantly.
Root perms need to be refreshed more frequently, usually every 2-3 months, as new growth pushes out the treated sections. Spot perms and partial perms may need retouching sooner than full-head perms since the contrast between treated and untreated hair becomes more noticeable over time.
Your hair growth rate affects perm longevity too. Faster-growing hair will show straight roots sooner, while slower-growing hair maintains the permed look longer. Hair porosity also plays a role—very porous hair may not hold a perm as long as hair with a tighter cuticle.
The science behind achieving those perfect waves
Creating perfect waves involves manipulating the disulfide bonds in your hair. These chemical bonds determine whether your hair is straight or curly. During the perming process, a solution breaks these bonds temporarily, allowing your hair to be reshaped around rods or rollers.
The first step uses a reducing agent that breaks the disulfide bonds. Your hair is then wound onto tools of various sizes to create the desired curl pattern. After processing, a neutralizer (typically hydrogen peroxide) rebuilds the bonds in their new curled position.
Rod size and placement create different effects. Vertical wrapping produces spiral curls, while horizontal wrapping creates more volume and lift. Alternating directions creates more natural-looking patterns. This strategic placement is why professional perms look so much better than at-home kits.
Temperature and timing must be carefully controlled during the process. Processing too long damages hair, while under-processing results in curls that quickly fall flat. Professional stylists are trained to check the curl formation throughout the process to achieve optimal results without damage.
Why Are Perms Making a Comeback This Year?
Permed hair has cycled back into popularity after years of straight, sleek styles dominating hair trends. This resurgence isn’t just about nostalgia—it represents a broader shift in beauty attitudes that values individuality and practical styling options. The curly comeback reflects several cultural and fashion movements happening simultaneously.
The shift from straight-dominated hairstyles to texture and volume
For nearly two decades, smooth, straight hair was the gold standard in beauty. Flat irons became a daily necessity for many women, and Brazilian blowouts were among the most requested salon services. But this obsession with sleekness has finally given way to a renewed appreciation for dimension and body.
Why the change? Hair health has become a priority. The constant heat styling required for perfectly straight hair led to damage, breakage, and thinning for many women. As hair wellness took center stage in beauty discussions, the appeal of more natural textures gained momentum.
Volume has also returned as a desirable hair quality. After years of flattened styles, fuller hair creates a fresh visual impact. The added dimension from waves and curls frames faces differently, offering a new aesthetic after the long reign of pin-straight looks.
This shift actually began in the natural hair movement, where women with curly and coily textures started rejecting chemical straighteners. That celebration of natural texture has expanded to include women of all hair types who now want to add curves and bends to their strands rather than remove them.
How social media has fueled the perm renaissance
TikTok has been particularly influential in bringing back perms through viral “before and after” transformation videos. These quick clips show dramatic style changes that highlight the versatility of modern perming techniques. The platform’s algorithm helps spread these hair transformation videos to millions of viewers in days.
Pinterest boards dedicated to “perm inspiration” have grown by over 200% in search volume this year. The visual platform allows women to collect and compare different curl patterns before committing to the chemical process. These specific visual references help both clients and stylists align their expectations.
Hair stylists with social media platforms have also contributed to this trend by sharing their work. Professional demonstrations of current techniques show how dramatically different modern results are from the tight, frizzy perms of decades past. The current social media landscape allows for this visual education in ways that weren’t possible during previous perm eras.
User-generated content about styling routines has made perms seem more accessible. Real women sharing their day-to-day experiences with permed hair provides practical insights into living with these styles. These authentic reviews carry more weight than traditional advertising ever could.
The influence of runway shows on curly hair trends
High fashion has fully accepted textured hair on the runway. Major design houses have moved away from the uniform, slicked-back looks that dominated for years. Instead, models now showcase individual hair textures, with many sporting bouncy curls and waves that move naturally as they walk.
Paris Fashion Week 2024 featured especially notable curl-focused styling. Several prominent designers sent models down the runway with voluminous, permed-looking styles that complemented their collections. These looks have since been recreated by celebrity stylists for red carpet events.
The specific curl patterns showcased on runways have directly influenced salon requests. The soft, S-shaped waves from certain designer shows have become reference points for women seeking dimensional yet subtle perms. These runway inspirations help create a common visual language between clients and stylists.
Fashion editorials have also begun featuring more curly-haired models in major magazine spreads. These high-profile images help normalize and glamorize curly textures in mainstream culture. Some key benefits driving runway curl acceptance include:
Movement Factor: Curls add dynamic motion to photography and live shows.
Texture Contrast: Wavy hair creates interesting visual tension against structured clothing.
Character Expression: Curly styles help convey personality within fashion storytelling.
Lighting Interaction: Curls capture and reflect light differently than straight hair.
Reduced Styling Time: Behind the scenes, perms can actually save time during fashion weeks.
Which demographic is driving the perm resurgence?
Interestingly, younger millennials and Gen Z consumers are leading this hair revival despite having no personal memory of the original perm craze. For these age groups, curly texture represents something fresh and different from the straight styles they grew up seeing.
Women aged 25-34 form the largest group of new perm clients, according to salon reporting data. This generation grew up during the straight-hair era but has enough hair confidence to experiment with more dimensional styles. They’re also at a life stage where they’re seeking lower-maintenance beauty routines.
Men have joined the perm trend too, particularly those with shorter styles looking for added texture on top. The current “fluffy hair” trend among younger men often relies on perming techniques to achieve the desired volume and movement.
Regional differences exist in perm popularity. Coastal cities saw the trend emerge first, while midwest and southern regions have adopted it more gradually. Salon data indicates urban areas typically lead curl trends, with suburban salons reporting increased requests about 6-8 months later.
The connection between sustainability movements and lower-maintenance hairstyles
The environmental impact of daily heat styling has become a concern for environmentally conscious consumers. The electricity used by hot tools adds up significantly over time. Perms offer a way to reduce this energy consumption by creating styles that need minimal daily intervention.
Product waste from styling products has also entered sustainability discussions. The multiple bottles of serums, sprays, and creams needed for daily styling create plastic waste. Permed styles often require fewer products overall, aligning with low-waste beauty philosophies.
Time sustainability matters too. Modern women increasingly view their time as a precious resource worth conserving. The appeal of “wash and wear” hair that perms can provide fits perfectly with this mindset. Gaining back the hours previously spent on daily styling represents a form of personal sustainability.
Water conservation connects to this trend as well. Permed hair typically requires less frequent washing than straight styles, which often need daily cleansing to maintain their sleek appearance. This reduction in water usage appeals to eco-conscious consumers looking to minimize their environmental footprint through daily habits.
Which Perm Style Is Right for You?
Choosing the right perm style makes all the difference between hair you’ll love and a style you’ll regret. With so many options now available, the modern perm can be customized to match your hair type, lifestyle, and facial features. The key is understanding which curl pattern will work best for your specific situation rather than simply following trends.
Beach wave perms for the casual, effortless look
Beach wave perms create that coveted “just back from vacation” texture that looks natural and effortless. This style features soft, inconsistent waves with plenty of movement – similar to how your hair might look after a day at the ocean. The irregular pattern makes it appear completely natural rather than “permed.”
This option works particularly well for women with medium to long hair who want low-maintenance styling. The beauty of beach waves lies in their imperfection – they actually look better slightly messy and tousled. You won’t need to spend time perfectly arranging each wave.
Your stylist will use larger rods placed in alternating directions to achieve this look. The placement is purposely uneven to mimic natural texture rather than uniform curls. Some sections might be wrapped looser than others to create that varied, organic appearance.
Beach wave perms pair well with balayage or ombré color, as the dimensional waves showcase the color variations beautifully. The multi-tonal effect draws attention to the waves without making them look too “done.”
Tight curl perms for maximum volume seekers
Small-rod spiral perms create tight, bouncy curls that add serious volume to your hair. This dramatic style works wonderfully for women who want to transform fine, limp hair into a full, voluminous look. The tight curl pattern creates maximum expansion and lift from the scalp.
Would tight curls work with your lifestyle? Consider your typical morning routine. These curls require specific care – including specialized products and gentle handling – to prevent frizz and maintain definition. The tradeoff for this maintenance is exceptional volume that lasts for months.
The smaller the rod used during the perming process, the tighter the resulting curl will be. Your stylist might recommend different rod sizes throughout your hair to create more natural-looking dimension. Often, slightly larger rods near the face create a more flattering effect.
For women with thin or fine hair, tight curls can make your hair appear up to twice as full as it actually is. The spring-like nature of these curls creates an optical illusion of thickness by taking up more visual space than straight hair. Several factors might make you an ideal candidate for tight curls:
Fine Hair: Your naturally thin strands will appear much fuller with tight curls.
Oval Face: This classic face shape balances well with added volume on all sides.
Patient Personality: You don’t mind taking extra time with hair care routines.
Natural Texture: You already have some wave or curl pattern in your hair.
Hair Health: Your strands are strong enough to withstand the chemical process.
Loose wave perms for subtle texture enhancement
Loose wave perms add gentle movement and soft bends to your hair without creating defined curls. This subtle style offers just enough texture to add interest while maintaining a relatively straight appearance. Many women choose this option as their first perm experience.
The advantage of loose waves is versatility. You can easily straighten this style when you want a sleeker look, or enhance the waves with styling products for more definition. The chemical process is also typically gentler than more dramatic perms since it doesn’t require as much structural change to your hair.
How is this style different from beach waves? Loose waves feature a more consistent, uniform pattern throughout the hair. While beach waves are purposely irregular and messy-looking, loose waves follow a more predictable S-pattern that looks polished and intentional.
This style particularly flatters square face shapes by softening angular jawlines with gentle movement around the face. The subtle texture also works well for professional environments where very curly styles might seem too casual or dramatic.
Body wave perms for fine hair revival
Body wave perms focus on creating volume and movement rather than defined curls. This technique uses large-diameter rods to create gentle, rolling waves throughout your hair. The result is hair that appears naturally voluminous and full of body without obvious “curls.”
For women with fine, limp hair, body waves can provide much-needed structure that helps styles hold longer. The slight wave pattern creates natural lift at the roots and prevents hair from falling flat throughout the day. You’ll find your hair holds styles better even when you use heat tools.
One big advantage of body waves is their grow-out phase. Since the wave pattern is so gentle, the line of demarcation between your natural texture and the permed section is much less noticeable as your hair grows. This means fewer awkward transition periods during regrowth.
Your stylist may recommend partial rather than full body waves. This approach focuses the perm solution on the roots and mid-lengths while leaving ends straighter, creating a modern look with volume where you need it most. This targeted technique prevents ends from appearing frizzed or damaged.
How face shape determines your ideal perm pattern
Your face shape should guide your perm pattern selection just as it would any haircut decision. The right curl type can highlight your best features while minimizing less flattering aspects of your face structure. A thoughtful stylist will consider this geometry before suggesting a specific perm style.
Round faces benefit from perms that add height at the crown rather than width at the sides. Ask your stylist about curl patterns that elongate your face shape, such as looser curls near the face and tighter curls on top. Avoid uniform, tight curls all over, which can make round faces appear fuller.
Square-faced women should seek out soft, irregular curl patterns that diffuse the angular lines of the jaw and forehead. Beach waves and loose curls work particularly well to soften sharp corners and create a more oval appearance. Curls that start below the chin help draw attention away from a strong jaw.
Heart-shaped faces with wider foreheads and narrower chins pair beautifully with curls that add volume near the jawline. Consider perms with tighter curls at the bottom layers and looser curls near the crown. This creates balance by adding visual weight to the narrower part of your face.
Long, narrow faces need perms that add width rather than length. Medium-sized curls that start around cheekbone level create the illusion of width in the middle of the face. Avoid too much volume on top, which can make your face appear even longer.
How To Maintain Your Fresh Perm?
You’ve invested time and money into your new curly transformation, and proper aftercare will determine whether your perm looks fresh for months or falls flat within weeks. The first 48 hours after your appointment are especially critical, as the chemical bonds in your hair continue to settle during this time. Following the right maintenance routine will help your curls stay bouncy, defined, and healthy throughout the entire lifespan of your treatment.
What products are essential for perm longevity?
Replacing your regular hair care products with curl-specific options makes a dramatic difference in perm longevity. Sulfate-free shampoos clean without stripping the moisture that curly hair desperately needs. Look for cleansers labeled specifically for curly or chemically-treated hair, as these formulations maintain your curl pattern while removing buildup.
A moisturizing conditioner becomes your most important product after getting a perm. The chemical process can leave hair thirsty, and proper hydration keeps curls springy rather than frizzy. Deep conditioning treatments should be used weekly to replenish moisture and prevent the dreaded frizz that can make permed hair look outdated.
Styling products designed for curly hair help define and hold your curl pattern between washes. Leave-in conditioners provide a moisture foundation, while curl creams and light gels offer hold without crunchiness. Avoid anything containing alcohol high on the ingredient list, as this will dry out your curls and cause frizz.
Heat protectants are non-negotiable if you ever plan to use hot tools on your permed hair. Even though you’ll likely style with heat less frequently, any direct heat exposure without protection can permanently alter or damage your curl pattern. Apply these products generously before diffusing or using other heat styling methods.
Anti-humidity products can be lifesavers during damp or rainy weather. Curly hair is particularly susceptible to environmental moisture, which can cause frizz and loss of definition. Hair products containing anti-humidity ingredients create a protective barrier that helps maintain your curl pattern regardless of weather conditions.
Can you color your hair after getting a perm?
Wait at least two weeks before coloring newly permed hair. Both perming and coloring are chemical processes that alter your hair structure. Applying them too close together significantly increases the risk of damage, breakage, and uneven color results. This waiting period allows your hair to recover and stabilize after the perming process.
Semi-permanent color options offer a gentler approach for permed hair. These dyes coat the hair shaft rather than penetrating deeply, causing less structural change and damage. The results won’t last as long as permanent color, but the tradeoff is healthier curls with better definition.
Consult with a professional colorist who has experience with permed hair if you want permanent color. They can assess your hair’s condition and choose formulations that minimize additional damage. Sometimes adjusting the developer strength or processing time can make a significant difference in maintaining curl integrity while achieving your desired color.
Highlights and lowlights generally work well with permed hair and can actually enhance the dimensional appearance of your curls. The painting technique used for these services typically involves less harsh processing than all-over color. The varied tones create visual interest that highlights the curves and bends in your curl pattern.
How often should you wash permed hair?
Most stylists recommend washing permed hair only 2-3 times per week. Overwashing strips natural oils that curly hair needs to maintain moisture balance and definition. Your scalp will gradually adjust to this schedule, producing less oil over time as it adapts to less frequent washing.
During the crucial first 48 hours after your perm appointment, avoid washing your hair entirely. The chemicals need this time to fully set the new curl pattern. Getting your hair wet or using products during this period can interfere with the chemical process and result in uneven curls or premature relaxing of the pattern.
Co-washing (using conditioner instead of shampoo) can be an excellent technique for refresh days between regular washes. This method provides moisture without the cleaning agents that can strip oils. Simply massage conditioner into your scalp and rinse thoroughly as you would with shampoo.
Even on non-wash days, you can refresh your curls with water. Lightly misting your hair with a spray bottle containing water and a small amount of leave-in conditioner can revive flattened curls without starting the full washing process over. This technique works especially well for morning touch-ups after sleep has compressed your curl pattern.
Nighttime routines that preserve your curls
Silk or satin pillowcases create less friction than cotton, helping to maintain your curl pattern overnight. These smooth fabrics allow your hair to glide across the surface rather than catching and tangling, which can stretch out and disrupt your curls. Consider this option if you tend to move a lot during sleep.
The “pineapple method” protects curls by gathering your hair loosely at the highest point of your head before sleep. Use a soft scrunchie or hair tie to secure without creating creases. This keeps most of your hair from being crushed between your head and the pillow. Several techniques keep overnight frizz at bay:
Satin Bonnet: Covers your entire head, keeping curls protected from friction and dryness.
Silk Scarf Wrapping: Creates a customizable protective layer that works for various hair lengths.
Loose Braiding: Maintains curl pattern while preventing tangling for longer permed styles.
Buff or Tube Scarf: Gently holds curls in place without compression marks.
Curl Plopping: Using a microfiber cloth to arrange curls on top of head before sleep.
Applying a small amount of lightweight oil to your ends before bed can prevent overnight dryness and frizz. Focus on the most vulnerable parts of your hair—typically the ends and any particularly dry sections. This protective layer seals moisture in while you sleep.
Satin-lined caps provide full protection for your permed style while sleeping. These caps completely contain your hair, preventing friction against pillowcases and keeping moisture from evaporating overnight. They’re particularly helpful for tight curl patterns that are prone to frizzing.
The best drying techniques for permed hair
Air-drying produces the most natural-looking results for permed hair. Whenever possible, allow your curls to dry without heat intervention. This prevents unnecessary stress on your curl pattern and minimizes potential damage from heat styling tools. Plan your washing schedule to accommodate air-drying time.
Microfiber towels or old t-shirts work better than standard bath towels for drying permed hair. The smoother surface creates less friction, reducing frizz formation. Instead of rubbing, gently squeeze moisture from your curls using a patting motion to maintain the curl pattern without disruption.
If you must use a blow dryer, a diffuser attachment is absolutely necessary. This specialized tool distributes air evenly around your curls rather than blasting them with a concentrated stream. The result is more defined curls with minimal frizz. Always use the lowest heat setting that effectively dries your hair.
The “plopping” method involves arranging wet curls on top of your head using a microfiber towel or t-shirt. This technique allows curls to dry in their natural shape without gravity pulling them down and stretching the pattern. Leave your hair plopped for 10-20 minutes before air-drying or diffusing.
“Pixie diffusing” works well for tighter curl patterns. With this technique, you cup sections of hair in the diffuser bowl and bring it to your scalp, hold for 30 seconds, then release. Moving methodically around your head creates well-defined curls with maximum volume. The intermittent drying approach prevents overheating any one section of hair.
Curls That Last: Your Journey to Perm Perfection
The revival of permed hair offers so many possibilities for transforming your look without daily styling hassle. From casual beach waves to dramatic volume-building spirals, today’s perm techniques can be perfectly tailored to your face shape, hair texture, and lifestyle needs. The improved chemical formulations and specialized aftercare products have eliminated many of the drawbacks that gave perms a bad reputation decades ago.
Your new curls can remain beautiful for months with proper care techniques and smart product choices. Establishing a curl-friendly routine—from washing less frequently to protecting your style while sleeping—pays off with consistently defined, bouncy texture that maintains its fresh-from-the-salon appearance. The time you once spent straightening, curling, or otherwise fighting your natural texture can now be reclaimed, giving you both the style you want and the freedom from constant maintenance that makes modern perms such a practical beauty choice.
Frequently Asked Questions
Q: How long does a modern perm last?
A: Modern perms typically last between 3-6 months, depending on the technique used. Digital perms last 4-6 months while traditional cold perms usually last 3-4 months before needing a refresh.
Q: Can I wash my hair right after getting a perm?
A: No, you should wait at least 48 hours after getting a perm before washing your hair. This allows the chemical bonds to fully set and helps ensure your curl pattern lasts longer.
Q: What’s the difference between a digital perm and a traditional perm?
A: Digital perms use heat technology with chemicals and create curls that appear when hair is dry. Traditional cold perms use only chemicals at room temperature and create tighter curls that look curliest when wet.
Q: Which perm style is best for fine, thin hair?
A: Body wave perms and tight curl perms are best for fine, thin hair. They add structure and volume, making hair appear fuller and thicker by creating more visual dimension.
Q: How often should I wash my permed hair?
A: You should wash permed hair only 2-3 times per week to prevent stripping natural oils. On non-wash days, you can refresh curls with a water/leave-in conditioner spray.
Q: Can I color my hair right after getting a perm?
A: No, you should wait at least two weeks after getting a perm before coloring your hair to prevent damage. Semi-permanent colors are gentler options for permed hair.
Q: What’s the best way to sleep with permed hair?
A: The best ways to sleep with permed hair include using a silk or satin pillowcase, the “pineapple method” (gathering hair loosely at the top of your head), wearing a satin bonnet, or loosely braiding your hair.
Q: What products should I use on my permed hair?
A: You should use sulfate-free shampoo, moisturizing conditioner, leave-in conditioner, curl cream or light gel, heat protectant, and anti-humidity products specifically formulated for curly or chemically-treated hair.
Q: How should I dry my permed hair?
A: Air-drying is best for permed hair. If you must use heat, use a diffuser attachment on your blow dryer on the lowest heat setting, or try techniques like “plopping” (arranging wet curls on top of your head with a microfiber towel).
Q: What face shape works best with tight curl perms?
A: Oval face shapes work best with tight curl perms that add volume all around. For other face shapes, the curl pattern should be adjusted – looser curls near the face for round faces, soft waves for square faces, and volume at the jawline for heart-shaped faces.
