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Your scalp is not neglected, just misunderstood. Shampoo cleans the surface, but it doesn’t always lift everything that settles there. Layers of product residue, oil, and pollution can be left behind, slowly dulling your hair’s bounce. You exfoliate your face and body, but your scalp, which is also skin, rarely receives the same care.
If your hair starts to feel greasy, flat, or flaky shortly after washing, the reason may not be the shampoo. It is often an accumulation; a mixture of dead skin and product remains that clogs the follicles and slows growth. Below, dermatologists explain what scalp exfoliation actually does, how often to try it, and how to do it right without going overboard.
Why your scalp needs an exfoliant
According to Dr. Ashini Bhatt, Dermatologist and Cosmetologist at Mayflower Women’s Hospital, Ahmedabad, “Someone who has an oily scalp, regularly uses scalp serums, oils or styling products, or does sweaty exercises is inviting a party in their head.” Scalp exfoliation removes dead skin cells, excess oil, and product dirt, unclogging your follicles so your hair can finally breathe. The result is healthier roots, less flaking, better product absorption, and a scalp that doesn’t itch like a scratchy sweater. Focusing on the benefits of exfoliation, Dr. Anupriya Goel, cosmetic dermatologist and medical director of Berkowits Hair and Skin clinics, explains: “Proper exfoliation of the scalp improves circulation, balances oil production and even reduces inflammation caused by bacteria buildup.”
How often should you scrub?
Before making scalp exfoliation a daily hobby, Dr. Bhatt recommends exfoliating once or twice a week, depending on your scalp type. “Oily scalp can handle it up to three times a week, while dry scalp should tone it down just once.” Dr. Goel expands:
- Oily scalp: twice a week
- Normal scalp: once a week
- Dry or sensitive scalp: every 10 to 14 days
If you have dandruff, psoriasis, or eczema, exfoliate only under the supervision of a dermatologist. “Use keratolytic agents like salicylic acid or lactic acid,” advises Bhatt. “They break down thick scales and allow medicated treatments to penetrate better.”
Physical versus chemical
Physical exfoliants are gritty exfoliants with microparticles that remove dead skin and chemical exfoliants like salicylic or glycolic that dissolve buildup. Dr. Bhatt finds chemical peels gentler and better, even for sensitive scalps. if done once every fifteen days. Dr. Goel adds, “Chemical peel provides even results with less risk of irritation. Physical peel often causes micro-tears and trauma.”
Post-exfoliation care
After you’ve thoroughly cleaned your scalp, it may feel a little exposed, like you just ran a marathon without sunscreen. “Rinse with warm water,” advises Dr. Bhatt, “and follow with soothing ingredients like aloe vera, tea tree oil, coconut oil, or oatmeal.” While Dr. Goel recommends moisturizers such as niacinamide to reduce inflammation and regulate oil production, centella to promote healing and reduce redness, hyaluronic acid and ceramides to restore barrier functions.
Can you exaggerate?
Yes, if your scalp starts to burn, flake more, or feel like it’s burning, you’ve exfoliated too much. “Too much exfoliation can alter the pH of the scalp and irritate it,” warns Bhatt. Goel adds, “If you experience persistent irritation, painful lesions, or sudden hair loss after peeling? It’s time to consult your dermatologist.”
DIY or professional products?
Homemade scalp scrubs may seem fun, but they can be harsh and unbalanced. Dr. Bhatt advises using a dermatologist-approved chemical exfoliant with salicylic or glycolic acid. Dr. Goel agrees that professional products have controlled pH and uniform particle size, which means less irritation.
The winter edition
Cold weather may be great for hot chocolate, but your scalp? Not so much. It needs special attention as the temperature drops. “Cold temperatures and dry air make the scalp itchy, flaky, and inflamed,” warns Dr. Bhatt. “Psoriasis worsens and oil production decreases, causing excess cell renewal.” Dr. Goel suggests switching to barrier repair products with ceramides and keeping a humidifier on hand. “Hydrate, don’t hibernate.”
Scalp detox
Dr. Goel’s exclusive 7-day scalp detox designed for people with chronic scalp problems:
