IntheUKover£9billionayeararespentonbeautyproductsthatpromisetoimproveandtransformus.Buthowmuchofwhattheseproductspromiseisbasedinscientificevidence,andhowmuchissimplymarketingmanipulation?CherryHealeyteamsupwithindependentscientiststoputeverydaycosmeticstothetestlikeneverbefore.Inagroundbreakingstudycarriedoutbythe...