How we scored it
Natural protein isolated directly from silkworm cocoon silk; no synthetic modification.
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
Sericin is isolated by extracting the gum protein that coats silk fibers from Bombyx mori silkworm cocoons, a natural animal-derived process.
In plain English
A protein extracted from silkworm cocoons, used to condition and smooth hair and skin. It is a natural animal-derived protein with no chemical modification.
CosIng definition: Sericin is a protein isolated from the silk 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.
- 2SERICIN. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
- 3SERICIN. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=SERICIN