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A randomized comparative study on melasma during summer with a visible light-protected tinted sunscreen versus a standard non-tinted sunscreen

Helena Polena1, Catherine Queille-Roussel2, Marlène Chavagnac1,3, Christelle Graizeau1,3, Luc Duteil2, Thierry Passeron4,5, Michèle Sayag1

1NAOS Group, Research and Development Department, Aix-en-Provence, France

2Center of Clinical Pharmacology Applied to Dermatology (CPCAD), L’Archet 2 Hospital, Nice, France

3NAOS Institute of Life Science, Aix-en-Provence, France

4Department of Dermatology, Centre Hospitalier Universitaire de Nice, University Côte d’Azur, Nice, France

5C3M, INSERM U1065, University Côte d’Azur, Nice, France

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Dr. Helena Polena In collaboration with 4 others professionals

5 min read

Melasma is a common hyperpigmentation skin disorder, characterized by relapse due to sun exposure. Ultraviolet (UV) radiation is the main cause of skin pigmentation, but more recently visible light has been shown to be an important contributor. Therefore, sunscreens against UVA, UVB and visible light are key in melasma prevention, but few comparative studies have been conducted. The aim of the study is to compare a sunscreen containing photoprotection against visible light (tinted product) to a non-tinted sunscreen in the prevention of melasma relapse, using instrumental and clinical assessments.

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