title: Efficacy of aloe vera cream in prevention and treatment of sunburn and suntan.
abstract: The efficacy of aloe vera cream in prevention of burn and tan from ultraviolet were studied in 20 volunteers. The minimal erythema dose of 20 volunteers were tested. The mean MED was 40-60 mj. The well preserved containing 70% of aloe vera cream. The aloe vera cream was applied randomized double blind technique on the test sites 30 minutes before, immediately after, or both before and after then the serial ultraviolet UVB 40,50,60,70,80 mj were radiated. MED reading at 24 hour for sunburn evaluation. Erythema and pigmentation were evaluated by visual grading 1-4 score. The aloe vera cream was continuing applied at the test sites twice daily for the the next three weeks. The results showed that the aloe vera cream has no sunburn or suntan protection and no efficacy in sunburn treatment when compared to placebo. The aloe vera cream has no bleaching effect too.
authors.affiliation: Division of Dermatology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand. fmedphp@md2.md.chula.ac.th
authors.forename: Porntip
authors.initials: P
authors.lastname: Puvabanditsin
authors.forename: Rujirat
authors.initials: R
authors.lastname: Vongtongsri
mesh_terms: D000504:Aloe; D006801:Humans; D009824:Ointments; D008517:Phytotherapy; D028321:Plant Preparations / Q000627:therapeutic use*; D013471:Sunburn / Q000188:drug therapy* / Q000209:etiology; D014466:Ultraviolet Rays / Q000009:adverse effects*
chemical_list: D009824:Ointments; D028321:Plant Preparations