“No direct cosmetic skin-active benefit found; evidence supports dehydroacetic acid/sodium dehydroacetate mainly as cosmetic preservatives/antimicrobial agents, which helps protect skin-applied products from microbial contamination.”
Dehydroacetic Acid (99% Powder, Natural Preservative)
Cosmetics
Code: 31922
Preservatives derived from nature Very good at controlling yeast and molds at 0.2% but not suitable for bacteria control.
Dehydroacetic Acid (98% Powder) is a preservative. obtained from nature Very good at controlling yeast and molds at 0.2% but not suitable for bacteria control.
Use in formulas Should be used in conjunction with other types of preservatives that are effective against bacteria.
Usage: for all kinds of products that want to protect
Mixing method: soluble in alcohol (ethanol)
Product characteristics: light powder
Solubility: Can dissolve in ethanol
Storage: Can be stored at room temperature But close the bottle cap tightly. Then completely covered from sunlight or heat, the product is at least 2 years old.
- Room (25-40C)
- 24 Months from manufacturing or testing date.
- 0.10% - 0.50%
- 0.20%
- Please follow instruction under product info carefully.
- Avoid heat above 40C
- 2.00 - 8.00
- Soluble in Water
- -
| Test Name | Specification |
|---|---|
| Melting point (C) | 109-113 |
| Purity (Titration, on dry basis) | 99% Min |
| Appearance | White to yellow powder |
| IR Spectrum | Conforms to Structure |
| Soluble in acetone | Almost transparent |
“Closest ingredient-family evidence: cosmetic preservatives provide antimicrobial protection for formulas, indirectly supporting safer use on skin by reducing microbial spoilage risk.”
“Photoreactivity evidence for the exact ingredient shows dehydroacetic acid and sodium dehydroacetate used in cosmetics can undergo UV-related chemical changes; this supports formulation-level safety/stability assessment rather than a direct skin benefit claim.”
“Clinical case evidence indicates sodium dehydroacetate can rarely cause allergic contact dermatitis in topical products, so any skin benefit claim should be limited to preservation and formula-protection, not direct skin improvement.”
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