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IntheUKover£9billionayeararespentonbeautyproductsthatpromisetoimproveandtransformus.Buthowmuchofwhattheseproductspromiseisbasedinscientificevidence,andhowmuchissimplymarketingmanipulation?CherryHealeyteamsupwithindependentscientiststoputeverydaycosmeticstothetestlikeneverbefore.InagroundbreakingstudycarriedoutbytheUniversityofSheffield,andwiththehelpof25volunteers,shediscoversthatmoisturisersmightnothavethebenefitspeoplethinktheydo.