Sunscreen sun protection factor claim based onin vivointerlaboratory variability
نویسندگان
چکیده
منابع مشابه
Sun protection and sunscreen labeling--an update.
Sun exposure is today well recognized as having an adverse effect on human skin. Part of sun radiation, ultraviolet radiation A (UVA) and B (UVB), can modify skin structures and induce short-term skin changes (sunburn, tanning, hyperkeratinization, brown spots) and long-term skin damages (accelerated skin aging and skin cancers). Protection against both UVA and UVB is very important, therefore ...
متن کاملInfluence of applied quantity of sunscreen products on the sun protection factor--a multicenter study organized by the DGK Task Force Sun Protection.
It is often debated that the protection against solar-induced erythema under real conditions is dependent upon the amount of sunscreen applied. It is believed that when too little is applied a lower sun protection than indicated on the label will result. The aim of this study was to quantify this effect. In this multicenter study, the influence of three different amounts (0.5, 1.0, 2.0 mg/cm(2)...
متن کاملSun protection factor: meaning and controversies.
The Sun Protection Factor (SPF) is the most important data to quantify the effectiveness of a sunscreen, being universally accepted. The method is based on determining the minimum erythematous dose (MED), defined as the smallest amount of energy required for triggering the erythema, in areas of protected and unprotected skin. The SPF value is then calculated as the ratio between the MED of prot...
متن کاملMelanoma risk in relation to use of sunscreen or other sun protection methods.
BACKGROUND Epidemiologic evidence supporting sunscreen for melanoma prevention is limited to one small trial; case-control studies report conflicting results. Sunscreen usage patterns or alternative sun protection methods have rarely been studied in relation to melanoma. METHODS In a population-based case-control study, participants (1,167 cases; 1,101 controls) reported for each decade year ...
متن کاملRelationships of Sun-Protection Habit Strength with Sunscreen Use During Outdoor Sport and Physical Activity
The objective of this cross-sectional questionnaire study was to assess associations of a self-report index of sun protection habit strength with sunscreen use in sporting environments and outdoor physical activity. Participants (n = 234) in field hockey, soccer, tennis and surf sports in Queensland, Australia, completed a self-administered survey on sun protection during organized sport, and d...
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ژورنال
عنوان ژورنال: International Journal of Cosmetic Science
سال: 2016
ISSN: 0142-5463
DOI: 10.1111/ics.12333