Faex Extract/Yeast Extract/Extrait De Levure ●
TL;DR. This ingredient is primarily a skin-conditioning and humectant extract, used to add water-binding components, amino acids, peptides, minerals, and other small nutrients to a formula. It supports a softer skin feel in leave-on products and can also appear in hair and scalp products for conditioning claims.
What does Faex Extract/Yeast Extract/Extrait De Levure do in a cosmetic formula?
This ingredient is primarily a skin-conditioning and humectant extract, used to add water-binding components, amino acids, peptides, minerals, and other small nutrients to a formula. It supports a softer skin feel in leave-on products and can also appear in hair and scalp products for conditioning claims.
Is Faex Extract/Yeast Extract/Extrait De Levure clean?
From a clean-beauty perspective, it is generally well tolerated and not a common restricted-list ingredient. The main caveats are normal botanical or biofermentation-extract considerations, such as preservation quality, residual protein sensitivity in rare users, and supplier documentation.
Is Faex Extract/Yeast Extract/Extrait De Levure sustainable?
This material is typically made from renewable fermentation biomass and is readily biodegradable as a water-soluble biological extract. Its sustainability profile depends on feedstock sourcing, energy use in concentration or drying, and whether the producer uses food-grade or upcycled fermentation streams.
Is Faex Extract/Yeast Extract/Extrait De Levure COSMOS-approved?
It is generally compatible with COSMOS-natural and COSMOS-organic formulas when produced from approved natural or biotechnology-derived feedstocks using allowed processing and extraction methods. It fits Green Chemistry principles reasonably well through renewable sourcing, aqueous processing, and biodegradability, with documentation needed for preservatives and processing aids.
How does Faex Extract/Yeast Extract/Extrait De Levure work chemically?
Chemically, this ingredient is a complex aqueous extract containing free amino acids, small peptides, carbohydrates, minerals, nucleotides, and vitamin-like fractions rather than a single defined molecule. Typical use levels are often about 0.1% to 5% depending on solids content, and it is usually best formulated in the water phase with appropriate preservation and moderate pH conditions.
Last updated 2026-05-13