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Thickener

ROSIN

CAS 8050-09-7
42

Safety score · 0–100

Moderate

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

A sticky pine resin material that helps with film and grip, but it is a well-known contact allergen.

This ingredient is a pine resin used for binding, tack, and film formation. Rosin and related resin acids are classic contact allergens, so this is one of the riskier resin-type cosmetic ingredients for sensitized users.

Function

BINDINGFILM FORMINGVISCOSITY CONTROLLING

Known concerns

  • Strong contact-allergy potential
  • Resin/fragrance sensitization

References

EU

EU CosIng database

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

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Check your shelf

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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.