Salicylic Acid (BHA) for Adult Acne
Salicylic acid is first-line topical for comedonal adult acne.
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Salicylic acid is first-line topical for comedonal adult acne.
how to use it. 0.5–2%, once daily to start; twice as tolerated.
why it works. Oil-soluble; penetrates sebaceous follicles and dissolves keratin plugs.
Reviewed with 1 source on 2026-07-03.
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Niacinamide reduces sebum production and inflammation in adult acne.
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Retinoids are first-line topical therapy for adult acne.
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Layered together, retinoid + BHA is too much for most skin.
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Pause salicylic acid during chemical peel window.
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Pause salicylic acid 3–5 days before dermaplaning.