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Ingredient library / Dehydroacetic Acid
Preservative ingredient

Dehydroacetic Acid

A naturally derived cyclic lactone preservative approved for both conventional and Ecocert/COSMOS-certified natural cosmetics, effective against bacteria and fungi.

Also known as: dha, 3-acetyl-6-methyl-2h-pyran-2,4(3h)-dione

preservative

Benefits

  • ✓Effective against bacteria and fungi at low concentrations (≤0.6%)
  • ✓Approved by Ecocert/COSMOS for natural/organic formulations

Watch for

  • ⚠CIR assessed as safe; non-irritating and non-sensitizing in clinical tests
  • ⚠Often paired with benzyl alcohol for broader spectrum coverage
At a glance
CategoryPreservative
IrritancyModerate–high
Beginner-friendlyYes
In your routine

Generally well-tolerated and easy to layer.

Found in 8 products
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Products with Dehydroacetic Acid

Lip Glowy BalmTreatment
Laneige
Lip Glowy Balm
Moisturizer
d'Alba
White Truffle Double Serum All-In-One Multi Balm
Waterfull Pink Correcting Tone-Up Sun CreamSunscreen
d'Alba
Waterfull Pink Correcting Tone-Up Sun Cream
Salicylic Acid CleanserCleanser
The Inkey List
Salicylic Acid Cleanser
Renaissance Cleansing GelCleanser
OSKIA
Renaissance Cleansing Gel
Cleanse & Polish Hot Cloth CleanserCleanser
Liz Earle
Cleanse & Polish Hot Cloth Cleanser