Effect of film irregularities on sunscreen efficacy.
The effect of distortion of a uniform film on its opacity has been calculated for a simple step film model. Nonuniform distribution of sunscreen films on skin and of the absorber within the film would account for large discrepancies between naively predicted efficacy and that observed clinically.
D002626:Chemistry, Pharmaceutical; D006801:Humans; D008567:Membranes, Artificial; D008954:Models, Biological; D012869:Skin Absorption / Q000528:radiation effects; D013473:Sunscreening Agents / Q000494:pharmacology*; D014466:Ultraviolet Rays / Q000009:adverse effects
D008567:Membranes, Artificial; D013473:Sunscreening Agents