The sodium salt of dehydroacetic acid, a preservative.
What it is
Sodium dehydroacetate is a preservative mainly active against yeasts and moulds. Dehydroacetic acid and its salts are listed in Annex V of the EU cosmetics regulation.
Where it is used
Creams, lotions, cleansers and products with 'natural' preservation claims.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The maximum concentration and conditions are set in Annex V; see the EU regulation section.
Functions
- Preservative
- Exclusively or mainly intended to inhibit the development of micro-organisms in the cosmetic product. All authorised preservatives are substances in the positive list of Annex V to the Cosmetics Regulation 1223/2009.
EU regulation
EU · Annex V, entry 133-Acetyl-6-methylpyran-2,4(3H)-dione and its salts
- Maximum concentration
- 0.6% (as acid)
- As of
- 3 November 2026 · (EC) 2009/1223
Products with this ingredient (474)
- Beautiful Day Ultimate Hydration Body Cream · Bath & Body Works
- Vitamin E Eye Cream · The Body Shop
- Revolution Fierce Flick Felt Eyeliner Pen · Revolution
- Revolution Felt & Kohl Eyeliner · Revolution
- Revolution 5D Lash Pow Mascara · Revolution
- Revolution Liner Pow Liquid Eyeliner · Revolution
- Revolution Awesome Double Flick Eyeliner · Revolution
- Revolution Awesome Eyeliner Felt and Kohl · Revolution
- Lash Sensational® Sky High · Maybelline
- Hyper Precise · Maybelline
- Tattoo Liner Ink Pen · Maybelline
- Hyper Easy · Maybelline

