Ingredient · INCI listed
Salicylic Acid (BHA)
Salicylic acid is a beta hydroxy acid that's oil-soluble, allowing it to penetrate into pores and dissolve the sebum and dead skin cells that cause blackheads and acne. It also has anti-inflammatory properties.
Evidence — Well-established
Data summary
Products containing
48
Most common in
13 products
exfoliants
Typical pairing
Niacinamide (Vitamin B3)
Evidence level
Well-established. Effective at 0.5-2% for OTC products. At 2%, comparable to benzoyl peroxide for mild-moderate acne with less irritation. Best at pH 3-4 for optimal exfoliation.
Where it shows up