OH DAISEY INGREDIENT LIBRARY
Potassium Hydroxide
Caustic in concentrated form but considered safe in finished cosmetics when used to adjust pH and properly neutralized.
OH DAISEY VERDICT
Use With Caution
Evidence level: Strong
Why Oh Daisey rates it this way
Caustic in concentrated form but considered safe in finished cosmetics when used to adjust pH and properly neutralized.
What it does
Buffering, pH Adjuster
How to read this rating
This rating reflects the Oh Daisey ingredient standard and the evidence currently available for cosmetic use. Product safety can also depend on concentration, exposure route, formulation, manufacturing quality, and individual sensitivity.