Researched by Helena DeMaria-Williams
Formula IngredientSkin Conditioning AgentYeast Extract
INCI: Yeast Extract
Yeast Extract (INCI: Faex) is derived from the fermentation of Saccharomyces cerevisiae yeast. It appears as a silky clear liquid and is rich in beta-glucans, amino acids, vitamins, and minerals. It functions as a moisturiser, skin protectant, and film-forming agent, supporting skin hydration and barrier function. It is widely used by premium brands including La Mer, Clinique, and The Ordinary.
Category
Skin Conditioning Agent
Irritation Risk
Low
Skin Types
all skin types, dry, sensitive, dehydrated, anti-ageing concerns
What does this do in a formula?
moisturisation, skin conditioning, skin protection, soothing, antioxidant (via beta-glucan content), film-forming, barrier support
Is Yeast Extract safe? Key considerations
Can Yeast Extract cause irritation?
Low RiskGenerally well tolerated at cosmetic concentrations. No EU CosIng Annex II or III restrictions apply. Suitable for sensitive skin formulations.
Does Yeast Extract increase sun sensitivity?
No RiskYeast Extract does not increase photosensitivity.
Is Yeast Extract safe during pregnancy?
SafeYeast Extract is a naturally derived ingredient with a well-established safety profile in cosmetics. No reproductive or developmental concerns are noted.
How does Yeast Extract work?
Yeast Extract (INCI: Faex) is derived from the fermentation of Saccharomyces cerevisiae yeast. It appears as a silky clear liquid and is rich in beta-glucans, amino acids, vitamins, and minerals. It functions as a moisturiser, skin protectant, and film-forming agent, supporting skin hydration and barrier function. It is widely used by premium brands including La Mer, Clinique, and The Ordinary.
Which products contain Yeast Extract?
Shop products that contain Yeast Extract
