1. Division of Physical Chemistry, Chemistry Department, Lund University, P.O. Box 124, 22100Lund, Sweden
2. Gillette Reading Innovation Centre, 460 Basingstoke Road, ReadingRG2 0QE, Berkshire, U.K.
3. L’Oréal Research & Innovation, 1, avenue Eugène Schueller, 93601Aulnay sous Bois, France