Buffering
What is Potassium Hydroxide?
This ingredient is listed in CosIng, the European Commission’s public database of cosmetic ingredients. The function classes that database records for it are: Buffering.
A function class records the role an ingredient is put in a formula for. It is what the database files the ingredient under, not a finding of ours about what it does on skin.
Which products use it?
Of the 130 products whose labels we have read, 4 put this one on the front.
DEWYTREE
Hi Amino All Cleanser
We checked 4 lines this product advertises against the ingredient list and public documents. One of them holds up. The rest are only partly right or have nothing behind them.
1backed1partly backed2overstated
See the label check (4 lines)
Claims translated from Korean, originals preserved.
- Dispense an appropriate amount, lather thoroughly with a small amount of water, then rub gently on the face as if massaging and wash clean with lukewarm water.
Korean original
적당량을 덜어 소량의 물로 충분히 거품을 낸 다음 얼굴에 마사지하듯 부드럽게 문지른 후 미온수로 깨끗이 씻어줍니다.
- Top grade value for money, a 1+1 pick! Moist cleansing with dense foam
Korean original
가성비 甲 원쁠템! 쫀쫀거품으로 촉촉하게 클렌징
- Hi Amino All Cleanser
Korean original
하이 아미노 올 클렌저
- Facial cleanser removes impurities, dirt and daily grime from the surface while retaining moisture and improving texture of the skin.
COSRX
Salicylic Acid Daily Gentle Cleanser
We checked 4 lines this product advertises against the ingredient list and public documents. One of them holds up. The rest are only partly right or have nothing behind them.
1backed1likely1partly backed1overstated
See the label check (4 lines)
Claims translated from Korean, originals preserved.
- Functional cosmetic status: not applicable
Korean original
기능성 화장품 여부 해당없음
- For use on oily and combination skin
Korean original
지복합성 피부 사용
- Salicylic Acid Daily Gentle Cleanser
Korean original
살리실산 데일리 젠틀 클렌저
- Salicylic Acid Daily Gentle Cleanser
Korean original
살리실산 데일리 젠틀 클렌저
MEDI-PEEL
RED LACTO COLLAGEN CLEAR FOAM CLEANSER 2.0
We checked 7 lines this product advertises against the ingredient list and public documents. None of them hold up on their own. They are partly right at best.
1partly backed4overstated2says nothing
See the label check (7 lines)
Claims translated from Korean, originals preserved.
- When washing morning and evening, dispense an appropriate amount, lather well, then massage the whole face gently and rinse clean with lukewarm water.
Korean original
아침, 저녁 세안 시 적당량을 덜어 충분히 거품을 낸 후 얼굴 전체를 부드럽게 마사지하고 미온수로 꺠끗이 씻어냅니다.
- 99.4% cleansing power for impurities inside pores
Korean original
모공 속 노폐물 세정력 99.4%
- Experience skin elasticity and lifting with Medipeel's Red Lacto Collagen Clear Foam Cleanser. Clean down to the pores with aesthetic know-how.
Korean original
메디필의 레드 락토 콜라겐 클리어 폼 클렌저로 피부 탄력과 리프팅을 경험하세요. 에스테틱 노하우로 모공까지 깨끗하게.
- For all skin types
Korean original
모든 피부용
- Red Lacto Collagen Clear Foam Cleanser 2.0
Korean original
레드 락토 콜라겐 클리어 폼 클렌저 2.0
- Impurities cleanly away with the technique of an aesthetic specialist. With the power of collagen and the softness of lacto, it delivers the skin's own natural health.
Korean original
에스테틱 전문가의 기술로 노폐물을 깨끗이. 콜라겐의 힘과 락토의 부드러움으로 피부 본연의 건강함을 선사합니다.
- [Olive Young No. 1 item] Red Lacto Collagen Wrapping Mask 70ml
Korean original
[올영 1위템] 레드 락토 콜라겐 랩핑 마스크 70ml

LAGOM
Micro Pore Cleansing Oil
We checked 8 lines this product advertises against the ingredient list and public documents. None of them hold up on their own. They are partly right at best.
2partly backed2overstated4no evidence
See the label check (8 lines)
Claims translated from Korean, originals preserved.
- A cleansing oil with a light texture
Korean original
가벼운 제형의 클렌징 오일
- Core ingredients: hydroxyethyl urea, soapberry extract, soapwort leaf extract
Korean original
핵심성분 하이드록시에틸우레아, 무환자추출물, 비누풀잎추출물
- From 99% perfect cleansing to pore tightening
Korean original
99% 완벽 클렌징부터 모공 타이트닝까지
- Moisture cleansing oil
Korean original
수분 클렌징 오일
- With fine micro oil particles
Korean original
미세한 마이크로 오일 입자로
- 99% perfect cleansing
Korean original
99% 완벽 클렌징
- 99% cleansing of pore impurities
Korean original
99% 모공노폐물 세정
- Deep cleansingㅣultrafine dust cleansing
Korean original
딥 클렌징ㅣ초 미세먼지 세정
What is it usually paired with?
Ingredients that other products put on the front of the label together with this one.