How we scored it
Protein filament direct from silkworm; peptide/protein natural category → 1.0.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.
Where it comes from
Obtained by dissolving the protein filaments spun by the silkworm Bombyx mori. No synthetic alternative is used.
In plain English
A protein derived from silk produced by silkworms. It adds bulk and a smooth feel to creams and lotions.
CosIng definition: Fibroins. Protein filaments produced by the silkworm, Bombyx mori
References
- 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
- 2FIBROIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3FIBROIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=FIBROIN