Jack Ferguson, PhD, is the director and owner of an independent R&D and consultancy business, Skinnovation Ltd., based in Nottingham, England. The company focusses on developing state-of- the- art sun care products and skin care and advises on advertising and product claims for cosmetics. He has 28 years of experience in the development, manufacture and testing of cosmetics. Since 2001, he has advised Clearcast, formerly the Broadcast Advertising Clearance Centre in London, on support data for advertising claims submitted by advertisers prior to broadcasting. Ferguson is also a non-executive director of the clinical testing company Cutest Systems Ltd., and is a regular writer and speaker in the cosmetics R&D industry, having given the 2007 Medal Lecture of the Society of Cosmetic Scientists in London on the topic of the physiological cosmetics.