Potassium Hydroxide

Potassium Hydroxide is a cosmetic ingredient used as a buffering agent. It appears in about 2% of cosmetic products in our 90,000+ product dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 638 studies of its skin or topical use.

INCI namePOTASSIUM HYDROXIDE
FunctionBUFFERING
CAS number1310-58-3
EC number215-181-3
Prevalence1,987 products (2.14% of dataset)
Most used inSkincare
EU statusNo annex restriction
Scientific studies638 on PubMed (skin/cosmetic/topical)
Monthly searches18,100

Used in

Face Cleansers 44.6%Serums 7.5%General Moisturizers 5.1%Sheet Masks 4%Sunscreens 3.8%Exfoliators 3.5%

Frequently asked

What does Potassium Hydroxide do in skincare?
Potassium Hydroxide functions as a buffering agent in cosmetic formulas.
What products contain Potassium Hydroxide?
It is most commonly found in Skincare products, especially face cleansers (44.6% of its uses).

Manufacturers with experience using Potassium Hydroxide

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.