Male Pattern Baldness: Symptoms, Causes & Treatments

Male pattern baldness is a genetic and hormonal condition that causes you to lose hair. It’s by far the most common cause of hair loss in men, affecting more than 50 percent of all men by the age of fifty.

Although male pattern baldness is most common in middle-aged and older men, it can occur at any age. 

Male Pattern Baldness

Many men notice the early signs of male pattern baldness, such as a receding hairline or diffuse thinning, in their 20s and thirties.

If you’ve noticed your hairline creeping backward, your widow’s peak becoming more obvious, a new bald spot, or just a few extra hairs on your pillow or in your hairbrush, male pattern baldness could be the culprit.

Male pattern baldness is also known as androgenetic alopecia (or androgenic alopecia). The main causes of male pattern hair loss are genetics and the presence of androgenic hormones such as testosterone and dihydrotestosterone (DHT).

Contrary to popular belief, factors like wearing a hat or using non-organic shampoos and other hair care products aren’t proven to contribute to male pattern baldness.

It’s easy to panic when you notice your hairline starting to recede. Luckily, a variety of safe and effective hair loss treatments are available today that can help you maintain your existing hair, help your lost hair grow back restoratively and get your self esteem back up to par.

Signs of Male Pattern Baldness

The most obvious, visible symptom of male pattern baldness is hair loss. Hair loss from male pattern baldness can occur in a variety of patterns, ranging from diffuse thinning to a receding hairline.

Hair loss from male pattern baldness can also occur gradually. You might not notice any hair loss or changes to your pattern of hair for years at a time, then notice your scalp in the mirror when you’re in a room with bright, harsh lighting or when your hair is wet.

Receding Hairline

Most men begin to notice male pattern baldness as their hairline starts to recede. Male pattern baldness can cause you to develop the classic M-shaped hairline, with receding corners and a longer widow’s peak area (known as a forelock).

Not every hairline recedes in the same pattern. If you’re prone to male pattern baldness, there’s a chance your entire hairline could recede evenly. 

However, most men notice an M-shaped hair loss pattern that’s indicative of male pattern baldness.

Thinning Crown

Not all men with male pattern baldness experience hair loss around the hairline. If you’re prone to male pattern baldness but don’t have a receding hairline, you might notice the hair near your crown starting to fall out and look thinner.

Because hair loss around the crown of the head isn’t easy to see in the mirror, it’s common for men affected by crown thinning not to notice their hair loss until it’s quite advanced

The easiest way to check for this type of hair loss is to use a handheld mirror or to take a selfie of the back of your head.

Diffuse Thinning

Diffuse thinning is a form of hair loss that affects your entire scalp, thinning your hair without any obvious effects on your hairline.

Although it’s less common than a receding hairline or hair loss near the crown, diffuse thinning is often a symptom of male pattern baldness. 

This type of hair loss is usually easiest to notice when your hair is wet, or in bright lighting that makes areas of the scalp more visible.

Learn more about the early signs of balding.

What Causes Male Pattern Baldness?

Male pattern baldness is caused by a combination of two factors: your production of androgenic hormones such as dihydrotestosterone (DHT) and your hair’s sensitivity to these hormones.

DHT is an androgen (male hormone) that’s produced naturally by your body. DHT is a byproduct of the sex hormone testosterone, meaning your body converts a small amount of the testosterone you create into DHT regularly.

During pregnancy, childhood and puberty, DHT is an important hormone for helping you to form male characteristics. 

Things like your body hair, your genitalia, the shape of your jaw, your voice and other characteristically male features are all a result of your exposure to DHT.

DHT is produced by the 5-alpha reductase enzyme. This enzyme is responsible for converting some of your circulating testosterone into DHT on an ongoing basis. 

You can find the 5-alpha reductase enzyme in your prostate, liver, skin and hair follicles.

As well as helping you form male genitalia and secondary sex characteristics in puberty, DHT is the main hormone responsible for male pattern baldness.

DHT causes hair loss by binding to your hair follicles. Once it’s bound to your hair follicles, DHT causes the follicle to shrink and weaken, slowing down hair growth and eventually stopping the follicle from producing new hairs.

For some men, DHT isn’t a big deal. It circulates freely in their bodies without affecting their hair in any noticeable way. 

However, some men are highly sensitive to DHT and notice hair loss that starts in their early-to-mid 20s, or even in their late teens.

The more sensitive your hair follicles are to DHT, the quicker you’ll notice your hair thinning and falling out.

Other Causes of Hair Loss That Are not Male Pattern Baldness

Medical Conditions

Like medications, certain medical conditions can trigger hair loss for some people. These conditions include:

Thyroid issues: Because the thyroid regulates so many hormones, including those that trigger hair growth, conditions such as hypothyroidism (an underactive thyroid) or hyperthyroidism (an overactive thyroid) could lead to hair loss.
High blood pressure medication: While high blood pressure isn’t typically a cause for hair loss, certain medicines used to treat the condition can be.
Alopecia areata. This disease attacks the follicles that produce hair, causing it to fall out. It typically shows in patchy bald spots across the scalp and facial hair.

Other Factors

Anxiety and stressIn some cases, you might experience the temporary thinning of scalp hair following a stressful event. This is known as telogen effluvium -- a type of hair loss that is not considered male pattern baldness.
Use of hard water when showering
Vegetarian diet with a lack of protein

Rapid weight loss: While lifestyle changes due to obesity can be healthy if practiced in moderation, rapid weight loss can put a lot of strain on the body, potentially causing hair loss in the process due to nutrient deficiencies.

Risk Factors for Male Pattern Baldness 

Family History of Hair Loss

If one or both of your parent’s families have a history of hair loss, you might be more likely to experience male pattern baldness at some point in your life. 

Contrary to popular belief, hair loss in either of your parents’ families can signal a higher risk of you experiencing hair loss.


The longer your hair is exposed to DHT, the more likely you are to notice significant hair loss. This is the main reason why male pattern baldness is most common in men as they enter their 40s, 50s, and 60s.


Medications that increase your production of testosterone and/or DHT can have side effects that speed up and worsen male pattern baldness.

Should I See My Healthcare Provider If I Think I Have Male Pattern Baldness?

The best time to seek medical advice about male pattern baldness is as soon as you notice any symptoms.

Without treatment, any hair loss you experience from male pattern balding is permanent. 

By talking to your healthcare provider as early as possible, you’ll be able to start treating your hair loss, helping you to slow down or prevent any further loss.

This is because male pattern baldness is caused by hormones. The most effective treatment is to block these hormones from being able to affect your hairline in the future.

When it comes to male pattern baldness, sooner is always better. If you’re worried about losing your hair and want to maintain a full hairline as you get older, talk to your healthcare provider as soon as you notice any obvious signs of thinning or a receding hairline.

Diagnosis of Male Pattern Baldness

To diagnose male pattern baldness, your healthcare provider will usually perform a dermoscopy to examine your scalp to determine things like whether or not you’ve lost a significant amount of hair, the miniaturization of your hair follicles, and to look at and measure the space between each hair follicle.

There’s usually no need to perform a biopsy to diagnose male pattern baldness, but your healthcare provider may look at your family’s history of baldness.

Most healthcare professionals classify male pattern baldness using a system called the Norwood scale

This scale features reference diagrams for a variety of hair loss patterns, ranging from a receding hairline to almost complete hair loss. 

Want to stop your hair loss and thicken up thinning patches? The Complete Hair Kit contains everything you need to maintain your hair, prevent further hair loss and look your best without having to worry about your hairline.

Male Pattern Baldness Treatment and Prevention

The earlier you treat male pattern baldness, the easier you’ll find it to stop further hair loss and maintain your hair.

Right now, the most effective treatments for male pattern baldness are medications such as finasteride, which blocks DHT, and topical medications such as minoxidil, which help to stimulate hair growth.

These treatments work best if you start using them as soon as you notice your hair thinning or falling out. 

If your hair loss is advanced, you might also be able to restore it via hair transplant surgery.

Hair Loss Medication

Currently, the FDA has approved two different medications for treating hair loss in men. They are finasteride (an oral medication that stops your body from producing DHT) and minoxidil (a topical medication that helps your hair follicles produce new hairs).

Finasteride (the generic form of Propecia) is a medication that prevents male pattern baldness on a hormonal level. It works by inhibiting the production of 5-alpha reductase, the enzyme that converts testosterone into DHT within your body. Studies show that finasteride can lower your DHT levels by 71.4 percent when taken at a hair loss prevention dose. As well as stopping hair loss, studies also show that daily use of finasteride can cause some of your “lost” hair to gradually regrow over time. Finasteride requires a prescription and is not available over the counter.
Minoxidil (the generic form of Rogaine) is a topical medication that promotes hair growth. It works by stimulating your hair follicles to enter the growth phase, increasing blood flow to your hair and helping to transport essential nutrients to your hair follicles. Unlike finasteride, minoxidil doesn’t affect DHT and has no effects on your production of hormones. Like finasteride, it’s backed up by a huge amount of scientific evidence, with studies showing a significant increase in hair growth after several months of use.

Over the Counter Hair Loss Supplements and Products

Numerous supplements and non-pharmaceutical products are available to help slow down and treat hair loss. While these supplements aren’t as effective as FDA-approved medications like finasteride and minoxidil, they can be a helpful part of your baldness prevention routine.

Saw palmetto. While it’s not as effective as finasteride, studies show that saw palmetto may help to reduce DHT levels by a modest amount, helping to slow down male pattern baldness in men sensitive to DHT.
Biotin. While biotin doesn’t directly prevent hair loss, it’s linked to improvements in hair growth in scientific studies done on females. Biotin is available as an oral supplement (which includes a combination of ingredients, not just biotin), or as an ingredient in hair loss prevention shampoos.

Hair thickening shampoo. There are countless hair thickening shampoos on the market. Look for shampoos that contain proven ingredients like biotin, ketoconazole and saw palmetto, all of which have real benefits for your hair.

Other Hair Loss Treatments

Hair transplantation surgery. Hair transplant surgery is a medical treatment that involves transplanting hairs from the back and sides of your head (areas that aren’t affected by male pattern baldness) onto your crown, hairline or other areas with hair loss. Performed by a skilled surgeon, a hair transplant can restore your hairline and almost completely eliminate any visible signs of hair loss. Like other cosmetic surgeries, hair transplant surgery is highly effective but very costly and rarely covered by insurance.
Scalp micropigmentation. Scalp micropigmentation is a cosmetic procedure that can change the pigment of your scalp, creating the appearance of small, short hairs and a fuller head of hair. Although scalp micropigmentation can make it look like you have a thicker head of hair, it’s not a treatment for male pattern baldness and does not restore any real hair follicles.  
Hairpieces. While they won’t help you grow back any real hair, hairpieces and weaves can produce surprisingly good results if you need to fill in thin spots and cover up your hair loss for an important event.
Acceptance. If your hair loss is severe and you’re not interested in treating it, you can simply accept it. Whether you choose to shave your head or keep your remaining hair cut short, rocking the bald look can be a great option if you’ve got the confidence.
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