Dehydeoacetic Acid ●
TL;DR. A preservative used to help control yeast, mold, and some bacteria in water-containing personal care formulas. It is most useful in acidic to mildly acidic systems and is often paired with other preservatives for broader coverage.
What does Dehydeoacetic Acid do in a cosmetic formula?
A preservative used to help control yeast, mold, and some bacteria in water-containing personal care formulas. It is most useful in acidic to mildly acidic systems and is often paired with other preservatives for broader coverage.
Is Dehydeoacetic Acid clean?
This ingredient is generally accepted in many clean-beauty frameworks when used within regulatory limits, with low sensitization concern for most users. Its main clean-standard caveat is that it is a synthetic preservative with concentration limits, rather than a simple plant-derived material.
Is Dehydeoacetic Acid sustainable?
This material is typically made through synthetic chemical routes, often from petrochemical-derived feedstocks, so its sourcing is not strongly renewable. It is used at low levels, and environmental concern is generally lower than for persistent silicone or fluorinated materials.
Is Dehydeoacetic Acid COSMOS-approved?
It is permitted under COSMOS as an approved preservative for natural and organic cosmetics when used within allowed conditions. From a Green Chemistry view, it earns credit for low-dose use and broad preservation value, but its synthetic, non-renewable sourcing keeps it from being a best-fit material.
How does Dehydeoacetic Acid work chemically?
The molecule is a small heterocyclic organic acid that functions best when enough of it remains in the undissociated form, so formula pH is an important performance factor. Typical cosmetic use is up to 0.6 percent in regions following EU preservative limits, and it is commonly combined with more water-soluble or broader-spectrum preservation partners.
Last updated 2026-05-13