What does BHA do for skin?

BHA (salicylic acid) exfoliates inside oily pores, clearing blackheads and helping keep pores clear, while smoothing skin texture.

How often should you use BHA?

Start 2–3 times a week and build up as tolerated. Overuse can irritate and damage the barrier.

BHA (Salicylic Acid)

The short answer

BHA (salicylic acid) is an oil-soluble exfoliant that gets inside pores to clear the sebum behind blackheads and breakouts — the key acne active in Korean pore-care. Here are the best BHA products by international reviews.

How we rank: ordered by verified international review counts from Olive Young Global, read against each product's ingredient list. Percentages are what reviewers picked — we can tell you what they liked, not that it will suit you. Updated 2026-09-03.

What BHA does

Clears pores — Oil-soluble, so it dissolves sebum inside the pore.
Targets blackheads & breakouts — Exfoliates where clogs and acne start.
Smooths texture — Regular use refines rough, bumpy skin.

Best K-beauty with BHA (salicylic acid)

Judged on the ingredient list. Review numbers are context, not a verdict — they say what buyers liked, which is not the same as what will suit you.

1
Anua
Anua Heartleaf Quercetinol Pore Deep Cleansing Foam 150ml (+25ml)
아누아 어성초 피지쏙 모공 폼 150ml 2입
★4.8$13/ ₩21,990
BHA high enough in the list to count · contains essential oils · rated by buyers above 97% of cleansers
A heartleaf cleansing foam with a touch of BHA — the wash I use when my combo skin needs pores kept in check without stripping.
BHA
2
SOME BY MI
SOME BY MI AHA.BHA.PHA 30 Days Miracle Acne Body Cleanser 400g
썸바이미 아하 바하 파하 아크네 바디 클렌저 400g
★4.7$25.4/ ₩14,450
BHA high enough in the list to count · contains essential oils · 861 international reviews
My back-acne fix — an AHA·BHA·PHA body wash that keeps breakouts in check without stripping me dry.
BHACentella
3
Seapuri
Seapuri Dr. 33 Hair Ampoule 20ml
씨퓨리 닥터33 탈모앰플 20ml NEW
★4.4$24.99/ ₩23,660
BHA high enough in the list to count · contains drying alcohol and essential oils · 545 international reviews
This scalp ampoule with salicylic acid and menthol is what I massage in when my scalp feels clogged and tired.
BHA
4
AROMATICA
AROMATICA Tea Tree Purifying Tonic 100ml (Double Set/Single)
아로마티카 티트리 퓨리파잉 토닉 100ml
★4.8$19/ ₩18,900
BHA high enough in the list to count · contains drying alcohol and essential oils · rated by buyers above 96% of serums
Tea tree and BHA teaming up on my scalp — this is the tonic I spritz on when it starts feeling congested and itchy.
BHA
5
SOME BY MI
SOME BY MI AHA.BHA.PHA 30 Days Miracle Toner 150ml
썸바이미 아하 바하 파하 30 데이즈 미라클 토너
★4.7$23/ ₩12,840
Niacinamide · contains essential oils · 407 international reviews
My 30-day reset toner for temperamental skin — tea tree and papaya extract lean more calming than exfoliating in my experience.
Niacinamide
6
SOME BY MI
SOME BY MI Cica Peptide Derma Scalp Care Tonic 150ml
썸바이미 시카 펩타이드 안티 헤어로스 더마 스칼프 트리트먼트 50ml
★4.7$20.6/ ₩5,360
BHA high enough in the list to count · contains drying alcohol · rated by buyers above 85% of products
Cica and peptides for my scalp instead of my face — this treatment is my pick when itchiness and hair worries need calming down.
NiacinamideBHA
7
medicube
medicube PDRN Pink Peptide Serum 30ml
메디큐브 제로 모공 원데이 펩타이드 세럼 30ml
★4.7$30.11/ ₩18,910
BHA high enough in the list to count · no fragrance, alcohol, or essential oils · 372 international reviews
An easy pick if your skin leans combination — I love it for hydration.
NiacinamideAHABHAFragrance-free
8
Beplain
beplain Mung Bean Pore Cleansing Milk Balm 100ml
비플레인 녹두 모공 클렌징 밀크밤 100ml
★4.9$29/ ₩18,200
BHA high enough in the list to count · contains a pore-clogging ingredient · rated by buyers above 99% of cleansers
My go-to balm cleanser for pores that feel clogged — mung bean base, a touch of BHA, and totally fragrance-free.
BHAFragrance-free
9
Skin U
Skin U INNO:SCENT Shower Gel 700g & 500g (Set/Single) (4 Options)
스킨유 샤워젤 700G & 500G /단품
★4.7$23/ ₩13,860
BHA high enough in the list to count · contains drying alcohol and a pore-clogging ingredient · rated by buyers above 81% of products
A scented shower gel I use purely for the hydration boost, not for delicate or sensitive skin days.
AHABHAPHA
10
Round Lab
ROUND LAB Pine Calming Cica Ampoule 30ml Set (+Toner 20ml)
라운드랩 소나무 진정 시카 앰플 30ml
★4.7$29/ ₩17,010
BHA high enough in the list to count · no fragrance, alcohol, or essential oils
A pine-and-cica ampoule set that's clearly built for soothing first, hydration second, on my more reactive days.
BHACentellaFragrance-free
11
mixsoon
mixsoon Centella Cleansing Foam 150mL
믹순 병풀 클렌징 폼 150ml
★4.8$18/ ₩13,770
BHA high enough in the list to count · no fragrance, alcohol, or essential oils · rated by buyers above 93% of cleansers
A centella cleansing foam with a touch of BHA that clears my combo-to-oily days without stripping.
BHAFragrance-free
12
innisfree
INNISFREE Volcanic BHA Pore Cleansing Foam 150g
이니스프리 화산송이 바하 모공 클렌징폼 150g
★4.7$12/ ₩8,380
Jeju volcanic clay and BHA make this the foam cleanser I reach for on my oiliest, most congested days.

This is my shortlist. Browse all BHA (salicylic acid) products → and filter by brand, actives, and skin-friendly flags yourself.

Frequently asked questions

What does BHA do for skin?: BHA (salicylic acid) exfoliates inside oily pores, clearing blackheads and helping keep pores clear, while smoothing skin texture.
How often should you use BHA?: Start 2–3 times a week and build up as tolerated. Overuse can irritate and damage the barrier.