n-butyl paraben

nBuP;; formula: C11H14O3; CAS Registry Number: 94-26-8

n-butyl paraben (nBuP) 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