nPrP; p-Hydroxybenzoic acid propyl ester; formula: C10H12O3; CAS Registry Number: 94-13-3
n-propyl paraben (nPrP) is used as preservative in cosmetics in the European Union (EU) with exception of products for small children.
Student groups with an even number of female and male students at the age of 20 to 29.
4 university cities as sampling areas.
1995 - 2012