Ingredient

Betaine salicylate (BHA alternative)

On labels: Betaine Salicylate

Milder BHA alternative common in K-beauty toners.

What it does

Exfoliates · Helps keep pores clear

Evidence

Evidence: Limited · Mostly lab or early data so far.

Often chosen for

Blackheads and visible pores, Breakout-prone skin, Oily, shiny skin

Skin types

Oily, Combination, Normal

Typical amount

1-4% in a formula

Best time

Morning or evening