Ingredient
Sodium Dehydroacetate
Sodium DHA
DHA-S
What it is
The sodium salt of dehydroacetic acid, used as a cosmetic preservative with primarily antifungal activity, typically combined with other preservatives for broader-spectrum protection.
How it works
Interferes with microbial enzyme systems, inhibiting fungal growth and, to a lesser extent, bacterial growth, to keep the formula from spoiling.
What it does
Preservative
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.