Post-Bleach Hair Clumping: Scalp Damage and Recovery Tips - Dermatology

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After bleaching, there are multiple clumps at the hair roots, and the scalp is severely damaged?


Yesterday, after getting my hair bleached, I noticed that there are at least ten spots at the roots where the hair is clumped together.
The areas that are stuck together seem to have scabs on the scalp, and when I pick them off, they appear as yellowish transparent crystals.
Will this damage the hair follicles? Is there a possibility that after the wounds heal, the hair won't grow back? What can I do to promote faster healing?

Lin, 20~29 year old female. Ask Date: 2015/12/28

Dr. Wu Yuxin reply Dermatology


A literal description without actually seeing the lesion cannot confirm the diagnosis; it is recommended to have a dermatologist evaluate it for proper assessment.

Reply Date: 2015/12/28

More Info


After bleaching your hair, it's not uncommon to experience issues such as clumping at the roots and potential scalp damage. The symptoms you're describing—clumps of hair sticking together and the presence of scabs or crusts on the scalp—are concerning and warrant careful attention.

First, let's address the potential damage to the hair follicles. Hair follicles are sensitive structures that can be affected by chemical treatments like bleaching. If the scalp is irritated or damaged, it can lead to inflammation, which may cause hair follicles to enter a resting phase (telogen) or, in severe cases, lead to scarring alopecia where the follicles are permanently damaged. The yellowish, transparent crusts you mentioned could be a sign of a healing process, possibly due to irritation or a mild chemical burn from the bleach. If the scalp is inflamed, it can affect hair growth in the affected areas.

To promote healing and minimize the risk of long-term damage, here are some steps you can take:
1. Avoid Further Irritation: Refrain from using any additional chemical treatments, including dyes or relaxers, until your scalp has fully healed. This includes avoiding heat styling tools that can exacerbate irritation.

2. Gentle Cleansing: Use a mild, sulfate-free shampoo to gently cleanse your scalp. Avoid scrubbing the affected areas too harshly, as this can further irritate the skin.

3. Moisturize: Apply a gentle, fragrance-free moisturizer or scalp treatment to soothe the scalp. Look for products containing ingredients like aloe vera, chamomile, or calendula, which can help reduce inflammation and promote healing.

4. Avoid Picking: It’s crucial not to pick at the scabs or crusts, as this can lead to further irritation and potential scarring. Allow the scalp to heal naturally.

5. Monitor Hair Growth: After a few weeks, if you notice that hair is not growing back in the affected areas, or if the scalp remains painful or inflamed, it’s essential to consult a dermatologist. They can assess the condition of your scalp and determine if there is any permanent damage to the hair follicles.

6. Consider Topical Treatments: In some cases, dermatologists may recommend topical treatments such as corticosteroids to reduce inflammation or minoxidil to promote hair growth. However, these should only be used under medical supervision.

7. Nutrition and Supplements: Ensure you are consuming a balanced diet rich in vitamins and minerals that support hair health, such as biotin, zinc, and omega-3 fatty acids. Supplements may also be beneficial, but consult with a healthcare provider before starting any new regimen.

8. Patience: Hair growth is a slow process, and it can take several months for hair to regrow after trauma. The average hair growth rate is about half an inch per month, so it’s important to be patient and give your scalp time to heal.

In summary, while the clumping and crusting you’re experiencing can be concerning, taking proactive steps to care for your scalp can help mitigate potential damage. If you have any doubts or if symptoms persist, seeking professional advice from a dermatologist is the best course of action. They can provide tailored recommendations based on the specific condition of your scalp and hair.

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