Film Former
METHYL ROSINATE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
The methyl ester of pine rosin — used as a film former and perfume fixative. Rosin esters retain the sensitization potential of free colophonium for many users; recognized as a contact allergen and best avoided in leave-on products.
Function
Skin benefits
- Functions as film former and perfume fixative
- Plant-derived rosin chemistry
Known concerns
- Rosin acids are recognized skin sensitizers (colophonium)
- Should be avoided in leave-on products for sensitive skin
- Cross-reactivity with other rosin-based ingredients
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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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.