About the Authors

Ida M. Heerfordt

Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

ida.marie.heerfordt@regionh.dk

Affiliation Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, NV Copenhagen, Denmark

Linnea R. Torsnes

Roles Conceptualization, Formal analysis, Investigation, Writing – original draft, Writing – review & editing

Affiliation Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, NV Copenhagen, Denmark

Peter A. Philipsen

Roles Conceptualization, Formal analysis, Software, Supervision, Writing – review & editing

Affiliation Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, NV Copenhagen, Denmark

Hans Christian Wulf

Roles Conceptualization, Funding acquisition, Project administration, Supervision, Writing – review & editing

Affiliation Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, NV Copenhagen, Denmark

Competing Interests

Galderma A/S is the producer of the sunscreen used in this study. HCW have received research grants from Galderma A/S in connection with projects other than the present. The specific roles of this author are articulated in the ‘author contributions’ section. This does not alter adherence to PLOS ONE policies on sharing data and materials.