Dehydroacetic Acid
Updated
3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione
Purpose
A synthetic preservative uses in amounts of 0.6% or less. Sometimes its salt form (known as sodium dehydroacetate) is used, as it is more soluble in certain types of cosmetic formulas.
Rating
GOOD
Category
Preservative
INCI Purpose
PRESERVATIVE
Alternative Names
At a Glance
Article
Dehydroacetic acid is a synthetic preservative used in amounts of 0.6% or less where it’s proven to be safe and effective. Dehydroacetic acid is characterized as a white to cream crystalline powder. Sometimes its salt form (known as sodium dehydroacetate) is used, as it is more soluble in certain types of cosmetic formulas. Dehydroacetic acid is most effective on fungi.
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