Dehydoacetic Acid

TL;DR. This ingredient is primarily used as a preservative, especially against yeasts and molds. It is often paired with other preservative components to broaden protection across a finished formula.

What does Dehydoacetic Acid do in a cosmetic formula?

This ingredient is primarily used as a preservative, especially against yeasts and molds. It is often paired with other preservative components to broaden protection across a finished formula.

Is Dehydoacetic Acid clean?

This ingredient is generally accepted in many clean-beauty frameworks because it has a long safety record at regulated use levels and relatively low sensitization concern. It still sits in the preservative category, so finished-formula concentration, pH, and pairing choices matter.

Is Dehydoacetic Acid sustainable?

This material is typically synthetically produced rather than sourced directly from renewable plant feedstocks. It is used at low levels, but its sustainability profile is more adequate than exemplary because feedstock origin and biodegradation data are less favorable than simple bio-based ingredients.

Is Dehydoacetic Acid COSMOS-approved?

It is permitted under COSMOS-natural and COSMOS-organic as an allowed preservative, subject to applicable concentration and product-type limits. From a Green Chemistry view, it scores well for low-dose efficacy but less strongly on renewable sourcing.

How does Dehydoacetic Acid work chemically?

The molecule is a small cyclic beta-dicarbonyl preservative with weak-acid behavior, so antimicrobial performance is strongest in mildly acidic systems. Typical cosmetic use is up to about 0.6 percent where permitted, with better performance below roughly pH 6 and common co-formulation with broader-spectrum preservative partners.

Last updated 2026-05-13