The M-Shaped Hairline: Causes, Signs, & Treatments

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Learn why you might have an M-shaped hairline & what to do about it

Co-authored by Courtney Foster and Devin McSween

Last Updated: March 6, 2026 Fact Checked

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• What is it?
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• What causes it?
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• Does it mean you’re balding?
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• Treatment Options
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• Styling Advice
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• Causes of Hair Loss
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• Signs of Hair Loss

|Show more |Show less

While an M-shaped hairline is something that many people are born with, it can also develop as people age and be an early sign of hair loss. Either way, you may be wondering what causes M-shaped hairlines and if they’re a sign of balding (and if so, what you can do about it). Well, we’re here to help! We’ll explain what the M-shaped hairline is, what causes it, and go over the signs of hair loss. wikiHow also partnered with hair loss practitioners, dermatologists, and hair stylists to explain how to style and flatter an M-shaped hairline, as well as treatment options to improve your hair growth.

Understanding the M-Shaped Hairline: An Overview

The M-shaped hairline is where the center of the hairline extends downward in the middle and recedes at the temples. It's a normal shape that men and women are born with, but it can also be a sign of hair loss. Styles like a buzz cut and bangs can complement it, while treatments like minoxidil can promote hair growth.

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Section 1 of 7:

What is the M-shaped hairline?

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1. 
   The M-shaped hairline forms a downward point at the center of the forehead. The M-shaped hairline is a common hairline shape in men and women. As the name implies, it looks like the letter “M”: the hair forms a downward point in the middle of the forehead and then draws back in straight, angled lines toward the temples.

   • Is the M-shaped hairline different from a widow’s peak? Yes. While these hairlines are similar, the M-shaped hairline is characterized by sharp, straight lines with the hair drawing back along the temples. A widow’s peak also has a center point, but the hairline curves along the temples.
   • Celebrities with an M-shaped hairline: Chris Hemsworth, Harry Styles, Leonardo DiCaprio, Kourtney Kardashian

   Meet the wikiHow Experts

   Courtney Foster is a certified hair loss practitioner, licensed cosmetologist, cosmetology educator, and owner of Courtney Foster Beauty, LLC.

   Ellen Turner, MD, is a double board-certified dermatologist and founder of the Dermatology Office, specializing in medical, cosmetic, surgical, and laser procedures.

   Mohiba Tareen, MD, is an FAAD board-certified dermatologist and the founder of Tareen Dermatology in Roseville, Maplewood, and Faribault, Minnesota.

   David Nazarian, MD, is a board-certified internal medicine physician and owner of My Concierge MD, a medical practice in Beverly Hills, CA.

   Frankie Sanderson is a master hair stylist and founder of TheStudeo, specializing in hairstyling, makeup, and personal image.
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Section 2 of 7:

What causes an M-shaped hairline?

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   An M-shaped hairline can be genetic or caused by aging and hair loss. The shape of your hairline is largely genetic, so many people with an M-shaped hairline likely have one because it runs in their family. It can also be caused by aging, as it’s normal for hair to recede, grow thinner, and fall out as you get older. An M-shaped hairline can also be a sign of male or female pattern baldness, which is a hereditary condition where the hair falls out in a distinct pattern.

   • The M-shaped hairline is more common in male pattern baldness, as one of the earliest signs of the condition is the hairline receding in the distinct “M” shape.

Section 3 of 7:

Does an M-shaped hairline mean you’re balding?

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1. 
   Not necessarily, but an M-shaped hairline can be a sign of hair loss. An M-shaped hairline is a normal and common hairline in men and women that many people are born with. However, because it is characterized by hair that draws back along the temples, it can also be an early sign of hair loss and a receding hairline. It can also form as you get older, which is called a maturing hairline, as it’s natural for your hairline to slightly recede with age.

   • If you’ve always had an M-shaped hairline, it’s likely completely normal. However, if you’ve noticed that you’ve developed an M-shaped hairline or it’s become more pronounced, that might be a sign of hairline recession and hair loss.
   • What’s the difference between a maturing hairline and hair loss? A maturing hairline refers to the natural process of your hairline slowly moving backward as you age, and the recession typically stops at a fixed point. Hair loss starts with gradual thinning and recession along the hairline that is persistent and happens quickly.
   • If you’re concerned that your M-shaped hairline may be a sign of hair loss, we’ll go over the common symptoms of hair loss and how to treat it, below.
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Section 4 of 7:

Treatment Options for an M-Shaped Hairline

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   Take care of your hair and scalp. If you’re dealing with a receding hairline or hair loss, certified hair loss practitioner Courtney Foster says it’s important to keep your hair and scalp healthy. She recommends shampooing your hair often and ensuring both your hair and scalp are moisturized. For instance, use a moisturizing shampoo and conditioner, and avoid using heat on your hair (as this can dry it out and damage it).

   • As Foster explains, it’s very important that you keep your scalp healthy, because “once the hair leaves the scalp, there's really nothing you can do about the hair.”
   • Foster also suggests giving yourself regular scalp massages, which can help improve blood circulation and potentially help with hair growth. She recommends massaging your scalp with a mixture of rosemary oil, black seed oil, and a supplementary oil (like olive or almond oil).
   • As far as what to avoid, Foster says not to use heavy products and harsh chemicals, like sulfates, parabens, and excessive heat. Avoid sun exposure as much as possible and don’t put your hair into tight hairstyles (like ponytails, braids, and weaves), as tension can also cause hair loss.
   • If you do style your hair with heat, make sure to apply a heat protectant to help prevent damage.
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   Improve your diet and lifestyle. There are a lot of easy things you can do to help prevent hair loss. For instance, ensure you’re eating a balanced diet full of protein, healthy fats, and iron. In particular, Foster suggests eating lots of leafy green vegetables. She notes that stress can cause hair loss, so ensure you’re taking care of yourself, too.

   • For instance, help reduce stress by getting 7 to 9 hours of sleep, exercising daily, and doing relaxing activities, like meditation or pursuing your favorite hobbies.
   • Board-certified internal medicine physician David Nazarian, MD, adds that taking vitamins and supplements can help with hair loss, too. For example, he says biotin, vitamin C, and selenium can all help promote stronger hair growth.
   • Note: Always talk to your doctor before taking any vitamins or supplements, as they can cause side effects or interact with other medications you’re taking.
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   Take approved hair loss medication, like minoxidil. Minoxidil is a topical treatment that can promote hair growth and slow the rate of hair loss, which both men and women can use. Finasteride is a prescription pill for men that can help slow the speed of hair loss and increase hair growth.

   • Foster notes that it’s important that you visit a dermatologist to find out what kind of hair loss you have. Your doctor can then determine which treatment is right for you (and if that might be a medication like minoxidil).
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   Try therapies like PRP or lasers. PRP (platelet-rich plasma) is a non-surgical procedure where your blood gets drawn and separated from the plasma. The plasma then gets injected into your scalp, which can help reduce hair loss. Foster explains that low laser light therapy involves directing a laser at the scalp, which can stimulate the hair follicles and promote growth.

   • Double board-certified dermatologist Ellen Turner, MD, says another helpful therapy is exosome injections. These extracellular vesicles are magnets for growth and they can help regenerate tissue depending on where they’re placed. When they’re injected into the scalp, Dr. Turner says they can encourage new hair growth.
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   Get scalp pigmentation. According to Foster, scalp micropigmentation is a non-invasive procedure where hair-like strokes are drawn on the scalp. The procedure is similar to getting a tattoo, where thin needles are used to add permanent pigment to your scalp, which mimics the look of hair.
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   Consider getting a hair transplant. As Foster explains, a hair transplant is a surgical procedure where a surgeon takes active hair follicles and roots from one part of your hair and transplants them to the area that is thinning or receding. The procedure is done under local or general anesthesia and take up to 1 year to see the full results.

   • Hair transplant recovery is pretty extensive and takes about 3 weeks to fully recover.
   • Hair transplants also come with some risks and side effects, like infection, scarring, numbness, swelling, and bleeding.
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Section 5 of 7:

Styling Advice for an M-Shaped Hairline

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   Choose a hairstyle that adds volume and conceals any thinning. Whether you want to complement your M-shaped hairline or work with your receding hairline, there are plenty of flattering hairstyles to choose from! Check out some hairstyles below for men and women:

   • For men, master hair stylist Frankie Sanderson recommends the buzz cut, crew cut, high and tight, textured crop, Caesar cut, quiff, French crop, and faux hawk.
   • For women, add bangs (curtain, blunt, choppy, etc.), cut face-framing layers, or go for an asymmetrical bob. A buzz cut also looks great if you want a bold, edgy look!
   • In general, master barber & men’s grooming consultant Craig Whitely says shorter hair looks best if your hair is thinning because it helps your hair appear fuller. As he explains, the longer your hair is, the more you’re able to see the spaces where it’s no longer growing.
   • Sanderson adds that the buzz cut is one of the best hairstyles for a receding hairline, as it helps the hair look fuller and brings out your cheekbones and jawline.
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   Use products and techniques to add volume to your hair. Adding volume to your hair helps it appear fuller, which can flatter your M-shaped hairline and help conceal any thinning or recession. For instance, barber & men's grooming expert Michael DiGregorio recommends using texture powder to add volume and texture, which helps add coverage around the receding edges of your hairline. Adding curls or waves to your hair can also help it appear bouncier, fuller, and more voluminous.

   • Whitely says matte putty and hair spray are other great styling products that can help your hair appear thicker and fuller.
   • On the other hand, Whitely says to avoid using gel, as it can draw attention to thinning areas and bald spots.
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   Wear hats and accessories to conceal your hairline. If you don’t want to bother styling your hair or you just want to cover up the thinning areas, use accessories to your advantage! A hat is always a stylish choice, whether you choose a baseball cap, beanie, cowboy hat, bucket hat, or fedora. Hair accessories like headbands, bandanas, scarves, and clips are great options, too.

   • Foster adds that wigs, weaves, and other hair pieces are helpful ways to conceal a receding hairline or thinning areas, too.
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Section 6 of 7:

What causes hair loss?

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1. 
   Hair loss is largely caused by genetics, aging, and hormones. According to Foster, male pattern baldness is usually genetic. FAAD board-certified dermatologist Mohiba Tareen, MD, explains that hair growth patterns tend to run in families, and are influenced by genes from your mother and father. She adds that hair loss is also affected by hormones like testosterone and dihydrotestosterone (DHT). Aging is another common cause, she says, and it’s natural to notice thinning hair on the scalp over time.

   • Dr. Nazarian adds that hair loss is complex and multifactorial. For instance, he says vitamin and nutrient deficiencies (like iron), thyroid abnormalities, and hormonal changes (especially low testosterone) can cause hair loss.
   • If you believe that you’re experiencing hair loss, Dr. Turner highly recommends that you meet with a dermatologist. She says that hair thinning can occur for a variety of reasons, but it needs to be addressed medically, as there can be any kind of underlying issue going on.

Section 7 of 7:

Common Signs of Hair Loss

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1. 
   Signs of hair loss include thinning hair and a receding hairline. Hair loss typically starts with the hair thinning. This is often along the hairline for men and around the center of the head (usually along the part) for women. The thinning can then lead to a receding hairline. Some people may develop bald spots or patches, too.

   • Male-pattern baldness typically happens in distinct stages, which are measured using the Norwood-Hamilton Scale. The first few stages typically involve the hairline receding into an “M” shape.
   • Dr. Turner agrees and notes that women typically maintain a full hairline while their hair part widens.
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