1. L’Oréal Research and Innovation Clichy France
2. Service de Dermatologie Hôpital Saint‐Louis Paris France
3. L’Oréal Research and Innovation Aulnay‐sous‐Bois France
4. Center for Mathematical Morphology MINES ParisTech – PSL Research University Fontainebleau France
5. Inserm U976 Hôpital Saint‐Louis Université de Paris Paris France