Microbeads in toiletries: method 445.0 : chapter 1
Appendix 1. List of common and other potential plastics in microbeads
| Item | Plastic | Common uses |
|---|---|---|
| 1 | Nylon-12 (polyamide-12) | Bulking, viscosity controlling, opacifying (e.g. wrinkle creams) |
| 2 | Nylon-6 | Bulking agent, viscosity controlling |
| 3 | Poly(ethylene terephthalate) | Adhesive, film formation, hair fixative; viscosity controlling, aesthetic agent, (e.g. glitters in bubble bath, makeup) |
| 4 | Polyethylene (most common) | Abrasive, film forming, viscosity controlling, binder for powders |
| 5 | Poly (methyl methacrylate) | Sorbent for delivery of active ingredients |
| 6 | Polypropylene | Bulking agent, viscosity increasing agent |
| 7 | Polystyrene | Film formation |
| 8 | Polytetrafluoroethylene (Teflon) | Bulking agent, slip modifier, binding agent, skin conditioner |
| 9 | Polyurethane | Film formation (e.g. facial masks, sunscreen, mascara) |
| Item | Plastic | Common uses |
|---|---|---|
| 1 | Poly(butylene terephthalate) | Film formation, viscosity controlling |
| 2 | Poly(ethylene isoterephthalate) | Bulking agent |
| 3 | Polyacrylate | Viscosity controlling |
| 4 | Acrylates copolymer | Binder, hair fixative, film formation, suspending agent |
| 5 | Allyl stearate/vinyl acetate copolymers | Film formation, hair fixative |
| 6 | Ethylene/propylene/styrene copolymer | Viscosity controlling |
| 7 | Ethylene/methylacrylate copolymer | Film formation |
| 8 | Ethylene/acrylate copolymer | Film formation in waterproof sunscreen, gellant (e.g. lipstick, stick products, hand creams) |
| 8 | Butylene/ethylene/styrene copolymer | Viscosity controlling |
| 10 | Styrene acrylates copolymer | Aesthetic, coloured microspheres (e.g. makeup) |
| 11 | Trimethylsiloxysilicate (silicone resin) | Film formation (e.g. colour cosmetics, skin care, suncare) |
Authorization
Laboratory Supervisor
__________________________
Name (print)
_____________________________
Signature
__________________________
Date
Quality Assurance Officer
___________________________
Name (print)
_____________________________
Signature
__________________________
Date
Biennial review
1. Laboratory Supervisor
__________________________
Name (print)
_____________________________
Signature
__________________________
Date
Quality Assurance Officer
___________________________
Name (print)
_____________________________
Signature
__________________________
Date
2. Laboratory Supervisor
__________________________
Name (print)
_____________________________
Signature
__________________________
Date
Quality Assurance Officer
___________________________
Name (print)
_____________________________
Signature
__________________________
Date
3. Laboratory Supervisor
__________________________
Name (print)
_____________________________
Signature
__________________________
Date
Quality Assurance Officer
___________________________
Name (print)
_____________________________
Signature
__________________________
Date