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SACCHAROMYCES

82

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

Baker's/brewer's yeast — used in skincare for its vitamin-rich fermentation byproducts. Helps brighten skin and boost cellular renewal.

Saccharomyces refers to one or more species of the yeast genus Saccharomyces (commonly S. cerevisiae). In cosmetics, it provides B-vitamins, amino acids, minerals, and beta-glucans that support skin metabolism and barrier function. Yeast-derived ingredients have gained popularity in K-beauty for their fermentation-driven benefits. The organism itself and its extracts/lysates are generally well-tolerated. No GHS hazards or EU restrictions.

Skin benefits

  • Rich in B-vitamins and amino acids
  • Beta-glucans support skin barrier
  • Promotes cellular renewal
  • Antioxidant properties

Known concerns

  • May trigger reactions in individuals with yeast sensitivities
  • Fermented ingredients can occasionally worsen fungal acne (pityrosporum folliculitis)

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.