Film Former
CELLULOSE ACETATE PHTHALATE
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cellulose polymer reacted with phthalic anhydride — used as a pH-responsive film former. Despite the name, the phthalate is covalently locked into the polymer backbone and not the endocrine-active free phthalate.
Function
Skin benefits
- pH-sensitive film former
- Cellulose-based backbone
- Long pharmaceutical safety record as enteric coating
- Stable in oily phases
Known concerns
- Contains phthalate ester linkages — covalently bound, not free phthalates
- No significant concerns at cosmetic concentrations
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
Check your shelf
Find CELLULOSE ACETATE PHTHALATE in your products.
Scan any cosmetic product with LuxSense to see if it contains CELLULOSE ACETATE PHTHALATE and get a full ingredient breakdown with safety scores.
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.