Other ingredient
Formic Acid
The simplest carboxylic acid. In cosmetics, listed at trace levels (typically at the end of amino acid complex formulas) as a pH adjuster. Safe at the very low concentrations used in skincare.
Also known as: methanoic acid
pH adjusterpreservative
Watch for
- ⚠Irritating to skin and mucous membranes at higher concentrations; safe at cosmetic use levels