Glyoxal ●
TL;DR. This ingredient is primarily used as an antimicrobial preservative, with secondary use as a reactive crosslinking agent in some film, resin, nail, or hair systems.
What does Glyoxal do in a cosmetic formula?
This ingredient is primarily used as an antimicrobial preservative, with secondary use as a reactive crosslinking agent in some film, resin, nail, or hair systems.
Is Glyoxal clean?
Clean-beauty frameworks commonly flag this ingredient because it is a reactive aldehyde associated with skin sensitization and eye or skin irritation at higher exposure. It also faces regulatory limits in some markets, so it has meaningful restricted-list friction rather than broad clean-standard acceptance.
Is Glyoxal sustainable?
This material is typically made through industrial oxidation routes from petrochemical feedstocks, although bio-based pathways exist. It is highly water-soluble, not expected to bioaccumulate, and is generally biodegradable, but sourcing and exposure controls limit its sustainability profile.
Is Glyoxal COSMOS-approved?
This ingredient is not permitted as a standard cosmetic preservative under COSMOS-natural or COSMOS-organic positive lists. From a Green Chemistry perspective, its biodegradability is favorable, but petrochemical sourcing, high reactivity, and sensitization-related restrictions weaken its overall alignment.
How does Glyoxal work chemically?
The molecule is the smallest alpha-dicarbonyl dialdehyde and is usually handled as an aqueous hydrated or oligomeric solution, often around 40 percent active, rather than as a neat material. It reacts readily with amines, thiols, proteins, and cellulose hydroxyl groups, so formulation compatibility, pH, and residual ppm-level control matter more than simple dose addition.
Last updated 2026-05-13