learn Salicylic acid
- Does salicylic acid help clean and unclog hair follicles, and does that help hair growth? Salicylic acid loosens dead skin and oil on the scalp and is used in dandruff shampoos. No controlled study has shown that it helps hair grow.
- Can I use salicylic acid shampoo if I have dandruff or an oily scalp? US over-the-counter rules allow salicylic acid shampoos (1.8–3%) for dandruff and seborrheic dermatitis. They can dry or irritate the scalp, and people allergic to aspirin should not use them.
- Is it safe to use salicylic acid on sensitive or irritated scalps? Salicylic acid can irritate a sensitive or broken scalp. People allergic to aspirin should not use it, and rare poisoning has been reported after use on large areas of skin.
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