Potassium Hydroxide
Strong base that works as a pH regulator at minimal concentrations in cosmetic formulas. After neutralizing acids, only potassium salts remain in the finished product.
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Technological pH regulator. At a concentration around 0.1–1% it does not irritate the skin because in a finished emulsion it turns into a neutral salt.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
OilyDryCombinationNormal
Frequently asked questions
Is Potassium Hydroxide safe during pregnancy?
Potassium Hydroxide is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Potassium Hydroxide for?
Potassium Hydroxide suits: oily, dry, combination, normal.