Ingredient library
Every ingredient SkinAtlas knows about — all 2161 of them. What each one does, what it works well with, and what to watch for.
8 ingredients in Preservative matching "acid"
An aromatic acid used as a cosmetic preservative and pH adjuster, effective in acidic formulas; the free-acid form of sodium benzoate.
A hydroxamic acid derivative of caprylic acid used as a preservative and chelating agent. Considered a mild, natural-derived preservative alternative to parabens.
A hydroxamic acid preservative and chelator derived from caprylic acid that inhibits microbial growth by depriving bacteria and fungi of essential metal ions; popular in 'clean' and 'preservative-free' labelled formulas.
A naturally derived cyclic lactone preservative approved for both conventional and Ecocert/COSMOS-certified natural cosmetics, effective against bacteria and fungi.
A naturally derived keto-acid used in cosmetics primarily as a mild preservative and pH stabilizer, with additional skin-conditioning properties.
An aromatic carboxylic acid preservative booster used at 0.05–0.3% in acidic formulas to inhibit bacteria and moulds and reinforce primary preservative systems.
The sodium salt of p-anisic acid (naturally derived from fennel/anise), used as a mild preservative that inhibits yeast and fungal growth in cosmetic formulations.
A straight-chain unsaturated carboxylic acid used as a cosmetic preservative at up to 1% concentration to prevent microbial contamination and extend product shelf life.