Saccharomyces cerevisiae extract
AKA “Yeast Extract, Baker's Yeast Extract, Brewer's Yeast Extract
Extract
Ingredient Facts
Saccharomyces cerevisiae extract
AKA: Yeast Extract, Baker's Yeast Extract, Brewer's Yeast Extract
Extract · Skin Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Ferment
Extract
Clean
Saccharomyces Cerevisiae Ferment is an extract of the yeast cells of Saccharomyces Cerevisiae
CAS #
84604-16-0
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Baker's yeast has been used in traditional medicine across cultures for nutritional support. Modern skincare use developed in the 20th century when researchers isolated B vitamins and amino acids from yeast as skin-conditioning agents.
Skin Types
all-skin-types
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Phototoxicity Concern
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Hydrolyzed Yeast Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Saccharomyces Cerevisiae Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydrolyzed Yeast Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Saccharomyces Cerevisiae Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Yeast Extract
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Evaluation of dermatological effects of cosmetic formulations containing Saccharomyces cerevisiae extract and vitamins.
Gaspar LR, Camargo FB Jr, Gianeti MD, Maia Campos PM
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2008
Yeast Extract: Characteristics, Production, Applications and Future Perspectives.
Tao Z, Yuan H, Liu M, Liu Q, Zhang S et al.
Journal of microbiology and biotechnology, 2023
Yeast Extract: Characteristics, Production, Applications and Future Perspectives.
Tao Z, Yuan H, Liu M, Liu Q, Zhang S et al.
Journal of microbiology and biotechnology, 2023
Yeast Extract: Characteristics, Production, Applications and Future Perspectives.
Tao Z, Yuan H, Liu M, Liu Q, Zhang S et al.
Journal of microbiology and biotechnology, 2023
Yeast Extract: Characteristics, Production, Applications and Future Perspectives.
Tao Z, Yuan H, Liu M, Liu Q, Zhang S et al.
Journal of microbiology and biotechnology, 2023
Verified Jun 2026
Data: CosIng · EWG · CIR