Consider the ingredients. Toners can include a variety of active ingredients like exfoliants, humectants and antioxidants. Exfoliants help get rid of dead cells from the outermost layer of skin ...

Laboratory of X-Ray Analytical Applications, Institute of Earth Sciences “Jaume Almera”, CSIC, Solé Sabarís s/n, 08028 Barcelona, Spain, Department of Chemistry, University of Antwerp, ...