BHA Blackhead Power Liquid — Reddit Reviews
by COSRX
Updated August 19, 2026
4% salicylic acid liquid exfoliates blackheads and refines pores; can irritate sensitive skin.
What the community says
A 4% salicylic acid exfoliant with hydrating boosters for oily and combination skin types. It calms and smooths clogged pores without heavy dryness. Some users report breakouts or redness if overused or combined improperly with other actives, so start slow and monitor skin response.
What this means for you
What people love
- Hydrating formula with hyaluronic acid and niacinamide
- Gentler than many 2% BHA options yet effective
- Improves blackheads and pore texture visibly
Watch out for
Product details
Concerns
Skin Type
Product Traits
Key Ingredients
Where to buy
Real Reddit threads — 124 mentions across 28 threads
COSRX BHA Blackhead Power Liquid on Reddit, in one place — 28 threads from r/AsianBeauty, r/koreanskincare and 3 more, summarized.
“CosRX BHA Blackhead Power Liquid and CosRX AHA Whitehead Power Liquid - Really good at getting rid of whiteheads and sebaceous filaments.”
Positive
“Really good at getting rid of whiteheads and sebaceous filaments.”
Positive
“I just got so used to applying these separately (BHA in the AM, AHA every other PM)”
Positive
“cosrx bha blackhead power liquid 3x a week - it broke me out and left my oily skin red and irritated instead of clearing pores”
Cautionary
“took me forever to dial it back”
Cautionary
“from piling on actives”
Cautionary
“I used cosrx bha like 3 times a week”
Cautionary
“I took a break from everything in january because my skin started burning with products that never bothered me before”
Cautionary
“cosrx bha blackhead power liquid 3x a week - it broke me out and left my oily skin red and irritated instead of clearing pores”
Cautionary
“If you can’t get Retin A, get Cosrx BHA blackhead power liquid.”
Positive
“Use it 2 or 3 times a week.”
Positive
“Cosrx Blackhead Power Liquid has helped with my nose pores.”
Positive
“(Occasionally) BHA: Cosrx BHA Blackhead Power Liquid followed up by Two in One Poreless Power Liquid”
Positive
“TEMP: just trying to finish this bottle”
Positive
“it does sooth skin and reduce appearance of pores a little”
Positive
“Cosrx Black Power Liquid”
Mentioned
“It must contain BHA”
Mentioned
“I also use skin1004 azaleic acid, but I don't use both at the same time.”
Mentioned
“I do use their Cleanser with 2% salicylic acid, Advanced Snail 96 Mucin Power Essence and the BHA Blackhead Power Liquid, which I always make sure I have on hand.”
Mentioned
“I love these products and my face is better for it.”
Mentioned
“The toner is gold”
Mentioned
Dupes & Alternatives
Paula's Choice
Skin Perfecting 2% BHA Liquid Exfoliant
Better for Texture / Pores
6 shared traits
666 mentions
