Actives
BHA
also known as Salicylic acid
An oil-soluble exfoliant that gets inside pores — for blackheads, congestion, and texture that won't smooth out.
What it is
Beta-hydroxy acid — most commonly salicylic acid. Korean formulas often use betaine salicylate, a gentler derivative used at slightly higher percentages.
What it actually does
Salicylic acid is the only common exfoliant that's oil-soluble, which means it can travel inside an oily pore and dissolve the gunk lodged there. It also dampens inflammation, which is why it's a workhorse for active acne, not just blackheads. Korean formulas often use betaine salicylate (a gentler derivative) at higher concentrations than the 2% you see in Western SKUs.
Best for
- Blackheads
- Congested pores
- Active breakouts
Not ideal for
- Prescription retinoid users
- Compromised barrier
Pairs well with
Use with care
Not "avoid at all costs" — most K-beauty routines get away with these combos by splitting AM/PM or alternating nights. The caution is about how you layer, not whether you use them.
Routine placement
- Where it lives
- Toner · Serum · Cleanser
- AM/PM
- PM
- Frequency
- 2–4 nights/week
Pregnancy note: Consult a doctor if pregnant; topical BHA at low % is generally considered safe, but conservative use is recommended.
How to use it
Two to four nights a week to start, then build up. Always follow with moisturizer, and SPF the next morning is non-negotiable. Don't stack with AHAs the same night.
The Plug verdict
Every congested-skin routine should have one BHA product. Not two.
Products featuring bha
107 productsEditorially picked products where bha is the hero — ranked by real value across authentic retailers.
COSRX
Refresh Aha Bha Vitamin C Lip Plumper
from $13.30$15.70 · $0.67/g
2 retailers
COSRX
Refresh AHA BHA Vitamin C Daily Cream
from $14.90$15.99 · $0.30/ml
2 retailers
innisfree
Volcanic BHA Pore Cleansing Foam
from $10.40$13.47 · $0.04/ml
3 retailers
Products with bha
6 products
Anua
Anua BHA 2% Gentle Exfoliating Toner 5.07 fl. oz.(150ml)
Anua
Bha 2 Gentle Exfoliating Toner
APLB
Aha Bha Pha Centella Ampoule Serum
APLB
Aha Bha Pha Centella Facial Cream
APLB
Aha Bha Pha Centella Facial Toner
APLB
Aha Bha Pha Centella Mist Essence
We match by ingredient mentions in product copy from our authentic retailers. If we missed a product you know contains bha, let us know.
Related ingredients
Retinal
aka Retinaldehyde, retinol
The fastest-acting OTC retinoid — smooths lines, evens tone, and unclogs pores with less irritation than retinol.
Niacinamide
aka Vitamin B3
The all-rounder — evens tone, calms redness, and tightens the look of pores without irritation.
Beginner-safe
Centella asiatica
aka Cica, tiger grass
The K-Beauty soothing standard — calms redness, speeds barrier recovery, and quiets reactive skin.
Beginner-safe
Frequently asked
- What does BHA do?
- An oil-soluble exfoliant that gets inside pores — for blackheads, congestion, and texture that won't smooth out.
- Is BHA good for beginners?
- BHA is not typically recommended as a starting-point ingredient. Ease in slowly and watch for irritation.
- Is BHA safe for sensitive skin?
- BHA can be too active for sensitive skin — patch test and start with a low frequency.
- How do you use BHA?
- Two to four nights a week to start, then build up. Always follow with moisturizer, and SPF the next morning is non-negotiable. Don't stack with AHAs the same night.