Ingredient library
Dehydroacetic acid
INCI: Dehydroacetic Acid
Part of the paraben-free preservative system, protecting the water-based formula against mould and yeast through daily wand re-dipping.
Evidence and limitations
A globally approved cosmetic preservative (listed in EU Annex V); efficacy in a given formula is verified by standard preservative challenge testing rather than lash-specific studies.