Ingredient index

Salicylic acid

A beta hydroxy acid that is oil-soluble, so it works inside the pore rather than only on the surface.

Use it: No standard schedule
Evidence: strong

Sources

Sunscreen use and prevention of photoageing: long-term follow-up - JAMA Dermatologysystematic review

Salicylic acid: what it does, when to use it, what not to pair it with - BeautyTalks