Urolithin A ●
TL;DR. It functions primarily as a skin-conditioning bioactive, usually positioned around antioxidant support, mitochondrial quality-control signaling, and visible aging benefits. It is not a basic excipient like a solvent, emulsifier, or preservative.
What does Urolithin A do in a cosmetic formula?
It functions primarily as a skin-conditioning bioactive, usually positioned around antioxidant support, mitochondrial quality-control signaling, and visible aging benefits. It is not a basic excipient like a solvent, emulsifier, or preservative.
Is Urolithin A clean?
From a clean beauty perspective, this ingredient is a newer active, so assessment depends more on supplier safety data, impurity control, and irritation testing than on a long restricted-list history. It is not a common fragrance allergen or preservative sensitizer, but residual solvents and skin-tolerance data matter.
Is Urolithin A sustainable?
This material can be made through chemical synthesis or bioconversion from plant polyphenol feedstocks, so its footprint depends heavily on route and purification. It is a small phenolic organic molecule and does not raise the same persistence concerns as silicones or fluorinated polymers, but public biodegradation data is limited.
Is Urolithin A COSMOS-approved?
This ingredient is not clearly established as permitted under COSMOS-organic or COSMOS-natural in ordinary synthetic form, and a supplier would need documentation for a compliant natural or biotech route and acceptable processing aids. From a Green Chemistry view, fermentation or bioconversion from plant-derived inputs aligns better than multistep petrochemical synthesis, while biodegradability data remains a gap.
How does Urolithin A work chemically?
The molecule is a small lactone-containing polyphenolic heterocycle with two phenolic hydroxyl groups, which helps explain its bioactivity and formulation sensitivity. It is sparingly water-soluble, more compatible with glycols, alcohols, encapsulation systems, or emulsions, and formulators typically check oxidation, discoloration, and pH behavior during stability testing.
Last updated 2026-09-05