Is Phosphoric Acid Safe?
Phosphoric Acid is a ph adjuster that regulates the acidity or alkalinity of the product to optimal levels.
Phosphoric Acid Safety Overview
pH adjusters are used at minimal concentrations and are among the safest cosmetic ingredients.
How Phosphoric Acid Is Used
Used for maintaining optimal pH for skin compatibility and ingredient stability in exfoliants, acid treatments, cleansers, and toners. Safe at approved concentrations in AHA/BHA exfoliants, vitamin C serums, toners, and cleansing gels.
Who Should Be Cautious?
Generally safe for all water-based formulations requiring pH control. Patch test if you have sensitive skin.