Potassium Hydroxide
KOHCaustic Potash
Surfactant, pH Adjuster, Preservative
Potassium hydroxide is a strong chemical that can dissolve oils and fats. It's often used in soap-making and cleaning products to help them work better.
High Concern
Source: EWG Skin Deep
The high safety level is due to the potential for skin and eye irritation, as well as respiratory problems if inhaled.
How To Make Soap With Potassium Hydroxide - Step By Step
Samba Samba
r/KitchenConfidential
5
Potassium Hydroxide cleaner on grill
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Last updated: May 16, 2026