1. European Commision, Enterprise and Industry Cosmetic Ingredients and Substances Annex VII.Part 1 - List of permitted UV filters which cosmetic products may contain http://ec.europa.eu/enterprise/cosmetics/cosing/index.cfm?fuseaction=search.results&annex=VII&search.URL
2. Sunscreen ingredients and labelling: a survey of products available in the UK;Wahie;Clin Exp Dermatol,2007
3. Octocrylene, an emerging photoallergen;Avenel-Audran;Arch Dermatol,2010
4. Photopatch testing of 1155 patients: results of the U.K. Multicentre photopatch study group;Bryden;Br J Dermatol,2006