Dehydroacetic acid is a preservative agent for cosmetics and toiletries. It is highly effective against fungi and yeasts and offers higher antifungal efficacy than many traditional preservatives.
Dehydroacetic acid is an organic compound classified as a pyrone derivative. It presents as an odorless, colorless to white crystalline powder, almost insoluble in water and moderately soluble in most organic solvents
Dehydroacetic acid can be added at room or elevated temperature and at any time during the manufacturing process, compatible in all types of formulations: anionic, non-ionic and cationic.
Solubility values of dehydroacetic acid on 100 g of solvent at 25°C
Propylene glycol 1.7g
Recommended concentration 0.1 – 0.6 % (as preservative)
Solubility low solubility in water, soluble in a wide range of solvent
|Assay (%)||99.0 min|
Highly effective against fungi and yeasts, offers higher antifungal efficacy than many traditional preservatives
Beside is a chart resuming the Minimum Inhibitory Concentration (MIC) of Dehydroacetic Acid:
• Can be used in ECOCERT/COSMOS formulations
• Easy to handle
• Good efficacy against molds and bacteria
• Stable and effective over a wide pH range compared to other acids