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Film former (phthalate-modified protein)

SOY PROTEIN PHTHALATE

38

Safety score · 0–100

Caution

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

A soy protein chemically modified with phthalate groups, used as a hair film former. The phthalate moiety raises endocrine concerns, and this ingredient has largely fallen out of modern use.

Function

BINDING, SKIN CONDITIONING - EMOLLIENT, EMULSION STABILISING, HAIR FIXING, HUMECTANT, SKIN CONDITIONING, VISCOSITY CONTROLLING

Skin benefits

  • Acts as a film-former on hair and skin
  • Provides emollient and humectant properties from the soy protein backbone
  • Used in hair fixing products to create flexible films

Known concerns

  • Contains a phthalate moiety, a class flagged by FDA and EU for endocrine concerns
  • Phthalates as a chemical group are under increasing regulatory scrutiny
  • Rare in modern formulations, suggesting industry has moved away from it
  • Limited transparency on which phthalate is bound and its release profile

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.