Monday, May 26, 2008

The STAGE of cosmetics analysis

The STAGE of cosmetics analysis was :
1. material separations
a. the bearer material
b. the active substance
- protracted water
- not protracted water
2. identification
a. the active substance
b. the bearer substance
c. the other material / the preservative / the coloris
3.quantitative
a. the component that was permitted
b. the component that was not permitted

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