Potassium Hydroxide

Primary Function

pH Adjuster

Health Score

6/10

Eco Score

5/10

Also Known As

KOH, caustic potash, lye

About Potassium Hydroxide

A strong alkaline compound used as a pH adjuster and saponification agent in soap making and cosmetic formulations.

Formulation Role & Skin Benefits

Potassium Hydroxide is selected for formulations requiring ensuring formula matches the skin's natural acidic mantle (pH 4.5-5.5), delivering optimizing active ingredient efficacy while minimizing skin irritation.

Best suited for all skin types, crucial for maintaining a healthy acid mantle. Typical formulation context: all skincare formulations, especially AHA/BHA exfoliants and vitamin C.