Film Former
COLOPHONIUM
Safety score · 0–100
Caution
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Pine tree rosin — one of the most documented contact allergens in dermatology, a regular top-10 finisher in patch-test panels. Functional in waxes and adhesives, but skin-contact use carries real sensitization risk.
Function
Skin benefits
- Natural film former and tackifier
- Adhesive properties for waxing products
- Provides structure to balms and waxes
Known concerns
- Major contact allergen — top patch-test culprit
- Cross-reacts with abietic acid derivatives
- Can trigger dermatitis even at low %
- Problematic for sensitive or atopic skin
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.