title: Why is your sunscreen not working?
authors.affiliation: Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.
authors.forename: Terrence C
authors.initials: TC
authors.lastname: Keaney
authors.forename: Robert S
authors.initials: RS
authors.lastname: Kirsner
mesh_terms: D004890:Erythema / Q000517:prevention & control*; D006801:Humans; D012878:Skin Neoplasms / Q000517:prevention & control*; D013472:Sunlight / Q000009:adverse effects*; D013473:Sunscreening Agents / Q000627:therapeutic use*; D017211:Treatment Failure; D014466:Ultraviolet Rays / Q000009:adverse effects*
chemical_list: D013473:Sunscreening Agents