Photoprotection by vitamin D and analogs

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The discoveries made to date and the proposed studies point to an intrinsic role for vitamin D compounds in skin in providing protection from sun damage. As a result of sun exposure, increased concentrations of vitamin D compounds in skin will be generated and this is likely to provide protection against further UV damage, in much the same way as increased pigmentation and increased thickness of the outer layer of skin. Furthermore, the studies are designed to test whether vitamin D compounds which have minimal effects on serum calcium, could nevertheless be used topically in association with a sunscreen or moisturizer to add to sun protection. As Australia has the highest skin cancer rates in the world, this would be of significant health and economic value.