Dehydroacetic Acid
Broad-spectrum preservative, often used with benzyl alcohol. Works at pH below 6 and pairs well with natural formulas.
Evidence by route
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Approved in the EU at concentrations up to 0.6%. Rarely irritating and suitable for minimalist paraben-free formulas.
Tolerability and safety
Irritation potential
LowAllergen risk
LowPregnancy
SafeSkin types
Suitable for
OilyDrySensitiveCombinationNormal
Frequently asked questions
Is Dehydroacetic Acid safe during pregnancy?
Dehydroacetic Acid is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Dehydroacetic Acid for?
Dehydroacetic Acid suits: oily, dry, sensitive, combination, normal.