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GLYCINE SOJA SEED

CAS -
78

Safety score · 0–100

Fine

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

About

Soybean seed is a common cosmetic ingredient rich in isoflavones and essential fatty acids, but it is one of the 'big eight' food allergens requiring declaration on EU labels.

Glycine soja (soybean) seed contains isoflavones (genistein, daidzein), lecithin, and essential fatty acids. Soy is classified as a major food allergen under EU Regulation 1169/2011 and must be declared in cosmetics. It is not banned or restricted for cosmetic use, but sensitization can occur. Hydrolyzed soy protein is considered less allergenic than whole soy due to protein breakdown. The ingredient has a long history of cosmetic use in skin and hair care products.

Skin benefits

  • Isoflavones provide antioxidant and mild phytoestrogenic effects
  • Lecithin supports skin hydration and barrier function
  • Contains vitamin E and essential fatty acids

Known concerns

  • Major food allergen — must be labelled in EU cosmetics
  • Soy protein may cause sensitization in predisposed individuals
  • Contains phytoestrogenic isoflavones

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 — always read the physical product label and consult a healthcare professional for personal concerns.