Synthetic film former
POLYESTER-17
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A synthetic polyester polymer used to give lipsticks and foundations longer wear and gloss. It is inert on skin but increasingly debated under microplastic regulations.
Function
Skin benefits
- Synthetic polyester used as a film former in color cosmetics
- Improves wear, transfer resistance, and gloss in lipsticks and foundations
- Chemically inert with low skin penetration
- Stable across typical cosmetic formulation conditions
Known concerns
- As a microplastic-related polymer, has environmental persistence concerns
- Subject to EU microplastic regulation depending on particle characteristics
- Limited public ingredient-specific safety dossier
References
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.