Fibroin Oligopeptide-1

TL;DR. This ingredient is used as a skin and hair conditioning peptide, adding light film formation, softness, and a smoother feel. It can also support moisture retention by leaving a fine protein-derived layer on the surface.

What does Fibroin Oligopeptide-1 do in a cosmetic formula?

This ingredient is used as a skin and hair conditioning peptide, adding light film formation, softness, and a smoother feel. It can also support moisture retention by leaving a fine protein-derived layer on the surface.

Is Fibroin Oligopeptide-1 clean?

From a clean beauty perspective, it is generally low-concern and not a common restricted-list issue. The main caveats are animal-derived sourcing, supplier transparency, and rare sensitivity in people reactive to protein materials.

Is Fibroin Oligopeptide-1 sustainable?

This material is typically derived from an animal-produced fiber protein, then broken into smaller peptide fragments. It is expected to be biodegradable, but its sourcing can carry animal-welfare and supply-chain questions depending on how the raw material is obtained.

Is Fibroin Oligopeptide-1 COSMOS-approved?

It may be compatible with COSMOS-natural when the source and processing route meet the standard, but animal-derived origin and hydrolysis chemistry need documentation. It fits Green Chemistry better when made by enzymatic hydrolysis in water and from traceable byproduct streams, rather than solvent-heavy or poorly documented processing.

How does Fibroin Oligopeptide-1 work chemically?

The molecule is a short-chain polypeptide mixture rich in glycine, alanine, and serine motifs, generated by controlled hydrolysis of a structural fiber protein. It is usually supplied as an aqueous solution and used at low levels in leave-on or rinse-off formulas, with best compatibility in mild pH systems where peptide solubility and odor stability are maintained.

Last updated 2026-05-16