n-propyl paraben

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.

Sampling area

Sampling period

1995 - 2012