Quantity of sunscreen used by European students.
P Autier, M Boniol, G Severi, JF Doré, undefined European Organizatin for Research and Treatment of Cancer Melanoma Co-operative Group
Br J Dermatol | Published : 2001
BACKGROUND: The ability of sunscreen products to delay sun-induced skin erythema is indicated by the sun protection factor (SPF), which is measured using an internationally agreed sunscreen thickness of 2 mg cm(-2). OBJECTIVES: To determine the thickness of sunscreen used under practical conditions. METHODS: In two double-blind randomized trials performed in five different places in Europe in 1997 and 1998, 148 18--24-year-old students received either an SPF 10 or an SPF 30 sunscreen to be used during their summer holidays. RESULTS: Complete, detailed data on quantities of sunscreen used and skin areas on to which sunscreen was applied were available for 124 students. The median thickness of..View full abstract