Photostability of sunscreens

Journal Publication ResearchOnline@JCU
Kockler, Jutta;Oelgemöller, Michael;Robertson, Sherryl;Glass, Beverley D.
Beverley Glass
Abstract

Sunscreens were originally designed to include mainly UVB-filters. Because of the deeper penetration of UVA light, causing photoaging and DNA damage, there has been a shift towards broad spectrum sunscreens. These broad spectrum sunscreens now include both UVA- and UVB-filters and other ingredients which possess antioxidant activity. Although sunscreens are regulated in most countries, photostability testing is not mandatory. Because of the ability of sunscreen ingredients to absorb UV-light and the complexity of most of these formulations, which may include more than one UV-filter, antioxidants and other formulation excipients, it is important that their photostability in combination is determined.

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13

ISBN/ISSN

1873-2739

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1

Pages Count

20

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Publisher

Elsevier

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DOI

10.1016/j.jphotochemrev.2011.12.001