Hydrolyzed Sericin ●
TL;DR. This ingredient is primarily a conditioning and film-forming protein hydrolysate used in hair and skin products. It helps improve softness, slip, and a lightly hydrated feel by leaving a thin water-binding layer on the surface.
What does Hydrolyzed Sericin do in a cosmetic formula?
This ingredient is primarily a conditioning and film-forming protein hydrolysate used in hair and skin products. It helps improve softness, slip, and a lightly hydrated feel by leaving a thin water-binding layer on the surface.
Is Hydrolyzed Sericin clean?
From a clean beauty perspective, it is generally well tolerated and not a common restricted-list ingredient. The main caveats are animal origin, vegan suitability, and rare sensitivity in people reactive to protein-based materials.
Is Hydrolyzed Sericin sustainable?
This material is animal-derived and typically recovered from cocoons during fiber processing, so it can make use of an existing byproduct stream. It is expected to be biodegradable, though sourcing standards and animal-welfare expectations vary by supplier.
Is Hydrolyzed Sericin COSMOS-approved?
It can be compatible with COSMOS-natural or COSMOS-organic formulas when the animal-derived starting material and hydrolysis process meet the standard’s requirements. From a Green Chemistry view, it aligns well on biodegradability and byproduct use, with sourcing and processing controls as the main considerations.
How does Hydrolyzed Sericin work chemically?
The molecule is a mixture of water-soluble peptides and amino-acid-rich fragments with polar hydroxyl, carboxyl, and amide groups that support water binding and surface adhesion. It is commonly used at low percentages in rinse-off and leave-on formulas, and it is best protected from excessive heat and extreme pH that can further break down protein fragments.
Last updated 2026-08-16