1. L'Oréal Cosmetique Active International Levallois‐Perret France
2. Department of Dermatology and Venereal Diseases First Pavlov State Medical University of St. Petersburg St. Petersburg Russia
3. Department of Dermatology and Allergy University of Bonn Bonn Germany
4. AP‐HP.Sorbonne Université Tenon Hospital Department of Dermatology and Allergology Sorbonne University Paris France