The Institute for Reference Materials and Measurements (IRMM) of the Joint Research Centre (JRC), a Directorate-General of the European Commission, operates the International Measurement Evaluation Programme (IMEP). It organises interlaboratory comparisons (ILCs) in support to EU policies. This report presents the results of a proficiency test exercise (PT) focussed on the determination of total lead in lipsticks which was organised in support of the European Council Directive 79/768/EEC (1976).JRC.D.5-Standards for Food Bioscienc