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Effect of layer thickness of dermatological sunscreens and cosmetics an UVB-solar carcinoma protection.

Stadnik B., Jiraskova M.

Optica Applicata

1999

Vol. 29, nr 1-2

229-237

We show that the protective properties of dermatological sunscreens and cosmetics the harmful UV-solar radiation are strongly dependent on the cream layer thickness deposited on the skin. We define the dermatological effective thickness for with the protection effect is optimal giving the protection declared by a cream producer. We give an illustrative example of the F-factor layer thickness dependence, and show the main protection characteristics for various dermatological creams. Optical parameters of the various optical creams are summarized in tables.