If you are a guy whose hair is thinning and you also have dandruff, you may be wondering if the dandruff is actually causing the hair loss, or if there is a connection.
The answer is no — dandruff and hair loss are not related.
Male pattern baldness, which manifests in the typical receding hairline and loss of hair at the crown, is a genetic condition that affects hair follicles. Dandruff is a skin condition that involves the overgrowth of skin cells and affects the scalp, making it itchy and flaky. Dandruff may worsen in the winter months when indoor heating exacerbates dry skin conditions.
Let’s examine these two conditions, dispel any associated myths, and talk about treatments for each.
Does dandruff cause hair loss?
Many people ask does dandruff cause hair loss when they notice flakes on the scalp and increased hair shedding. The important thing to understand is that dandruff itself does not cause hair loss. While dandruff and hair loss can occur at the same time, they are usually separate conditions. Having dandruff doesn’t immediately lead to hair loss, and in most cases dandruff does not damage the hair follicle or stop normal hair growth.
Dandruff does not cause hair loss. There is no connection whatsoever. Dandruff is a cosmetic nuisance, but it is not dangerous, it’s not contagious, and it won’t lead to other health issues. It can have several causes, including:
- A naturally occurring microbe on the scalp
- Dry skin
- A yeast-like fungus
- Psoriasis
- Eczema
- Seborrheic dermatitis
In the majority of cases that involved microbes, dry skin or a fungus, simply washing the hair with an anti-dandruff shampoo every few days can be an effective treatment. However, if the underlying cause is related to a skin condition such as psoriasis, other topical and systemic treatments should be pursued.
Dandruff and hair loss – why the connection myth?
Fifty percent of all men (and women) will experience dandruff at some point. And 50% of all men will experience male pattern baldness to some degree by the time they are 50. If you are experiencing dandruff and hair loss, you are not alone, and it’s easy to see why the question of connection might come up. You may well be thinking, “I have dandruff, and my hair is falling out, so maybe the dandruff is the cause.” It’s quite natural to draw this connection, erroneous though it is. But the fact is that losing hair is normal. An adult will loss approximately 80-100 hairs a day, whether they are experiencing advanced hair loss or not hair loss at all. This is because hair grows in cycles that last between four and seven years. At the end of the cycle the hair is shed. In people not experiencing male pattern baldness, that lost hair is replaced by a new hair, and the cycle begins again.
Furthermore, men tend to notice hair loss while in the shower, as the hair accumulates in the shower drain. So they conclude that dandruff + shower + shampoo = hair loss. But this is also a false assumption. Washing your hair cannot cause male pattern baldness. If it could,women would suffer receding hairlines, temple recession, and hair loss at the crown in the same way that males do.
What Dandruff Actually Is
Dandruff is a common scalp condition that causes flaking skin and itching. It often develops when the scalp becomes irritated, oily, or dry. One condition commonly linked with dandruff is seborrheic dermatitis, which is a form of skin inflammation that affects the scalp. Seborrheic dermatitis can cause redness, irritation, and visible flakes on the skin, but it typically does not permanently affect hair follicles.
Why People Think Dandruff Causes Hair Loss
Dandruff and hair loss are often associated because both involve the scalp. When people see dandruff flakes and notice hair falling at the same time, they may assume the dandruff caused the loss. In reality, the two conditions may simply occur together. Hair loss can be caused by many factors such as genetics, hormonal changes, alopecia, stress, or medical conditions unrelated to dandruff.
How Scalp Irritation Can Affect Hair Shedding
Although dandruff does not directly cause hair loss, severe scalp irritation can sometimes lead to temporary hair shedding. Excess scratching or inflammation from seborrheic dermatitis can weaken hair strands and cause them to fall out more easily. However, this type of shedding is usually temporary and hair growth returns once the scalp condition improves.
Treating Dandruff For Better Scalp Health
Treating dandruff helps maintain good scalp health and supports healthy hair growth. Medicated shampoos, proper scalp care, and guidance from a dermatologist can reduce dandruff symptoms and irritation. If hair loss continues after dandruff is treated, it may indicate another underlying condition that should be evaluated by a healthcare professional. Managing scalp health is an important step in maintaining healthy hair over time.
OK there’s no connection, but what about my hair loss!
There is some good news! Nizoral 2% shampoo is an effective treatment for dandruff, but it also promotes some growth of hair in about 40% of men…a “two birds with one stone” type of treatment.
I am currently part of team of scientists at the forefront of research on hair cloning, which does promise to make balding a thing of the past, perhaps by 2028. But what are your options in the meantime? First you can try to keep the hair have with my Hair Survival Program. You may also be a candidate for a follicular unit excision hair transplant.
Contact my clinic for a consultation or ask me a question about your unique situation and how we might treat it.
Dr. James Harris is an internationally renowned hair transplant surgeon, inventor of patented follicular unit excision technology, published author in the field of hair restoration and an advocate for patient care. He is currently at the forefront of research and development in the field of hair cloning. Learn more about Dr. Harris or read rave reviews from his patients.