VA/VINYL CHLORIDE COPOLYMER
Caution
CAS Number: 9003-22-9
About VA/VINYL CHLORIDE COPOLYMER
A vinyl acetate-vinyl chloride copolymer used as a film-former in cosmetics, with concern about residual vinyl chloride monomer (VCM) classified as a known human carcinogen.
Detailed Analysis
Vinyl chloride monomer (VCM) is a known human carcinogen (IARC Group 1) and its presence as a residual monomer in copolymers is strictly controlled. EU Directive 2004/37/EC and REACH Annex XVII limit residual VCM in polymers to very low levels (<1 ppm in practice for cosmetics). Modern manufacturing can achieve VCM levels below analytical detection. The polymer itself is inert, but residual monomer concerns and the regulatory history keep this ingredient's safety score low.
Skin Benefits
- ✓ Film-forming for long-wear and water-resistant cosmetics
- ✓ Good adhesion to skin and nails
Known Concerns
- ⚠ Residual vinyl chloride monomer (VCM): known human carcinogen (IARC Group 1)
- ⚠ Strict EU limits on residual VCM in cosmetics
- ⚠ Requires documentation of VCM content from supplier
Safety Score
Caution
Based on EU regulatory data, published safety research, and ingredient function analysis.
References
EU CosIng Database
European Commission cosmetic ingredient registry
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