Dehydroacetic Acid
Ingredient Info
Dehydroacetic acid is a preservative used in skincare products to prevent bacterial and fungal growth, helping extend shelf life and maintain product safety. It's been used in cosmetics for decades and works by inhibiting microbial activity.
Benefits
- Prevents bacterial and fungal contamination in products
- Extends product shelf life
- Allows products to remain safe and effective over time
Potential concerns
- May cause sensitivity or irritation in individuals with fragrance or preservative sensitivities
- Can interact with other preservatives in formulations, potentially reducing effectiveness
Science: The Cosmetic Ingredient Review Expert Panel has repeatedly affirmed the safety of dehydroacetic acid when used at current concentrations and practices, most recently in 2024 after reviewing updated safety data. The ingredient has been assessed as safe in cosmetics since 1985 with consistent reaffirmation in subsequent reviews.
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