Solubilized Keratin ●
TL;DR. This ingredient is primarily a hair and nail conditioning agent and film-former. It deposits a thin proteinaceous layer that can improve combing, feel, shine, and temporary surface smoothness.
What does Solubilized Keratin do in a cosmetic formula?
This ingredient is primarily a hair and nail conditioning agent and film-former. It deposits a thin proteinaceous layer that can improve combing, feel, shine, and temporary surface smoothness.
Is Solubilized Keratin clean?
From a clean-beauty perspective, it is generally well tolerated and is not a common restricted-list trigger. The main caveats are animal-derived sourcing, non-vegan status, and traceability of processing aids or preservatives in the supplied solution.
Is Solubilized Keratin sustainable?
This material is typically made from animal fiber by-products, which can support waste valorization when sourced transparently. It is expected to be biodegradable, but its sustainability profile depends on animal-welfare practices, origin, and wastewater management during processing.
Is Solubilized Keratin COSMOS-approved?
It has conditional COSMOS alignment rather than blanket approval, since acceptability depends on the animal source, collection method, processing chemistry, and any additives in the commercial raw material. From a Green Chemistry view, biodegradability and by-product use are positives, while chemical solubilization and supply-chain variability keep it from a clear green rating.
How does Solubilized Keratin work chemically?
Chemically, this ingredient is a water-soluble mixture of protein fragments and peptides derived from insoluble structural fibers. Typical use levels are about 0.1 to 5%, with many hair products using 0.2 to 2%, and formulas usually keep it in mildly acidic to neutral pH ranges to support compatibility and reduce odor or discoloration risk.
Last updated 2026-05-13