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Plant protein / conditioning agent

HYDROLYZED SOY

CAS 235433-33-7
80

Safety score · 0–100

Good

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

A hydrolyzed plant protein derived from soybeans used as a skin and hair conditioner. CIR safety assessment found it safe in current cosmetic practices of use, with mild soy-allergy caveats.

Skin benefits

  • Provides film-forming and skin/hair conditioning effect
  • Supplies amino acids that mimic natural moisturizing factors
  • Low molecular weight peptides aid hydration
  • Generally well tolerated topically

Known concerns

  • Soy allergens possible in sensitive individuals
  • Phytoestrogen content has theoretical (unproven) endocrine concern
  • Higher molecular weight fractions may be sensitizing

References

EU

EU CosIng database

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

Same plant / compound family

78
HYDROLYZED SOY EXTRACT
Antioxidant
 80
HYDROLYZED SOY FLOUR
Skin Conditioning
 80
HYDROLYZED SOY PROTEIN
Skin Conditioning
 75
HYDROLYZED SOY PROTEIN EXTRACT
Skin Conditioning
 68
HYDROLYZED SOY PROTEIN PG-PROPYL METHYLSILANEDIOL
Skin Conditioning
 78
HYDROLYZED SOY PROTEIN/DIMETHICONE PEG-7 ACETATE
Conditioning Agent

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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.