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Double blind randomized repetitive efficacy test of various occupational skin protection preparations against sodium lauryl sulphate

Skin protection products, formerly named as barrier creams, are being used as primary and secondary prevention measures against occupational dermatoses. Many of these cosmetic products are claimed by manufacturers to be efficacious against wet work‐induced skin barrier impairment if applied prior to exposure. However, results of validated and standardized in vivo efficacy tests allowing the comparison of different products are lacking.