Effective Treatments for Hyperpigmentation After Hair Removal

Melanin removal

Hello doctor, I used to pluck my facial hair frequently during high school, and now the areas where I had hair growth appear dark even after shaving.
I'm wondering if this is due to melanin, and if so, how can it be treated? Thank you.

Jason, 20~29 year old female. Ask Date: 2020/10/14

Dr. Wu Yuxin reply Dermatology

It may be post-inflammatory hyperpigmentation, but it needs to be evaluated first for confirmation.

Reply Date: 2020/10/14

More Info

Hyperpigmentation following hair removal, particularly in areas where hair has been frequently plucked or shaved, is a common concern. This condition occurs when the skin produces excess melanin, leading to darkened patches or spots. The process of hair removal can trigger inflammation in the skin, which may result in post-inflammatory hyperpigmentation (PIH). This is especially prevalent in individuals with darker skin tones, as they are more prone to increased melanin production in response to skin trauma.

To effectively treat hyperpigmentation after hair removal, several approaches can be considered:
1. Topical Treatments: Over-the-counter creams containing ingredients like hydroquinone, kojic acid, azelaic acid, or vitamin C can help lighten hyperpigmented areas. Hydroquinone is a skin-lightening agent that inhibits melanin production, while vitamin C is an antioxidant that can brighten the skin and reduce pigmentation.

2. Chemical Peels: Dermatologists often recommend chemical peels that use acids (like glycolic acid or salicylic acid) to exfoliate the top layers of the skin. This process can help fade hyperpigmentation by removing dead skin cells and promoting new skin cell growth.

3. Laser Treatments: For more severe cases, laser therapy can be an effective option. Lasers such as fractional laser or Q-switched laser target melanin in the skin and can significantly reduce pigmentation. However, these treatments should be performed by qualified professionals to minimize the risk of further skin irritation or damage.

4. Sun Protection: It is crucial to protect the affected areas from sun exposure, as UV rays can exacerbate hyperpigmentation. Using a broad-spectrum sunscreen with an SPF of 30 or higher daily can help prevent further darkening of the spots.

5. Avoiding Irritation: Since hyperpigmentation can be aggravated by irritation, it is essential to avoid harsh scrubs or exfoliants on the affected areas. Gentle cleansing and moisturizing can help maintain skin health.

6. Consultation with a Dermatologist: If over-the-counter treatments do not yield satisfactory results, it is advisable to consult a dermatologist. They can provide personalized treatment options based on the severity of the hyperpigmentation and the individual's skin type.

In conclusion, while hyperpigmentation after hair removal can be distressing, various effective treatments are available. It is essential to approach the condition with a combination of topical treatments, professional procedures, and diligent sun protection. With consistent care and the right treatment plan, it is possible to achieve a more even skin tone and reduce the appearance of darkened areas.

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