Ingredient glossary
Dehydroacetic Acid
INCI: Dehydroacetic Acid
Quietly necessary
Does Dehydroacetic Acid clash with what you already use? Check it →A preservative doing an unglamorous but essential job: keeping the product safe to use. Not something you pay extra for.
What it does
- preservation
moderate evidenceFormulation and safety data support dehydroacetic acid as an efficient, low-irritation preservative when used within allowed limits, often in blends.
On a label: usually effective at 0.3-1%.
Who it's for, and who should skip it
Tends to suit
- all
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
- pH-dependentIts effect depends on the product's pH
Plays well with
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Educational information about a cosmetic ingredient, not medical advice.