Salicylic Acid (BHA) Guide
Why BHA: Oil-soluble exfoliant that clears pores, reduces blackheads, and helps prevent breakouts.
How to use
- Start 2–3x/week at night; increase as tolerated.
- Apply after cleansing, before moisturiser.
- Do not layer with strong AHAs/retinoids on the same night (alternate).
Pairing
- AM: Niacinamide + SPF.