How we scored it
Finely pulverized silk fibroin protein; physical processing only → 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
Produced by pulverising raw silk fibre (silkworm cocoon protein) into powder. No synthetic route.
In plain English
Finely ground silk protein fibre, used as a bulking and conditioning powder. Purely mechanical processing of natural silk.
CosIng definition: Silk Powder is finely pulverized silk.
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.
- 2SILK POWDER. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SILK POWDER. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SILK%20POWDER