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Photostability of sunscreens

Paper ID Volume ID Publish Year Pages File Format Full-Text
31453 44790 2012 20 PDF Available
Title
Photostability of sunscreens
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.

► A comprehensive review of the photostability of physical and chemical UV-filters. ► The major photoreactions of these UV-filters individually and in combination. ► The impact on their photostability when used in combination (broad spectrum). ► The effect of the formulation, antioxidants and excipients on photostability. ► The importance of photostability testing for sunscreens, currently not mandatory.

Keywords
Sunscreens; Photostability; Chemical UV-filters; Physical UV-filters; UV-protection
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology C: Photochemistry Reviews - Volume 13, Issue 1, March 2012, Pages 91–110
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us