Melanin ●
TL;DR. This ingredient primarily functions as a brown to black cosmetic pigment and colorant. It may also support antioxidant and light-management claims in skin and hair formulas.
What does Melanin do in a cosmetic formula?
This ingredient primarily functions as a brown to black cosmetic pigment and colorant. It may also support antioxidant and light-management claims in skin and hair formulas.
Is Melanin clean?
Clean-beauty frameworks generally treat it as low-concern when the source, purity, and residual processing profile are well documented. Friction can come from animal-derived sourcing, inconsistent characterization, or trace impurities from production.
Is Melanin sustainable?
This material can be obtained by biological extraction, fermentation, or synthetic oxidation, so its sustainability profile depends heavily on the supply route. It is an insoluble, environmentally stable biopolymer rather than a readily biodegradable small molecule, which keeps it from a stronger green signal.
Is Melanin COSMOS-approved?
It may fit COSMOS-natural when sourced and processed through permitted natural or biotechnology routes, but supplier documentation is essential. From a Green Chemistry view, renewable or fermentation-based production aligns better than reagent-heavy synthetic routes, while limited biodegradability is a drawback.
How does Melanin work chemically?
The molecule is a heterogeneous, high-molecular-weight pigment polymer built from oxidized aromatic units, which explains its dark color, insolubility, and light-absorbing behavior. It is typically used at low pigment levels, dispersed rather than dissolved, and formulation performance depends on particle size, dispersion quality, and compatibility with the base.
Last updated 2026-05-13