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Thickener

OXIDIZED POLYETHYLENE

CAS 68441-17-8 Updated
72

Safety score · 0–100

Fine

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

About

An oxidized form of polyethylene used as a stiffening wax in lipsticks, balms and sticks. Skin-safe in leave-on cosmetics; the main flag is microplastic concerns in rinse-off products.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Provides hardness and structure to balms and sticks
  • Improves wear of color cosmetics
  • Compatible with many oils and waxes

Known concerns

  • Synthetic polymer with microplastic concerns in rinse-off
  • High molecular weight limits skin penetration
  • Potential oxidation residues from manufacturing

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.