The skin secrets of Cara Delevingne, Sienna Miller, Rosie Huntington-Whiteley and more. Prev13 of 31Next Image by Getty EMILY RATAJKOWSKI “I love Aquaphor. I use it on my lips, or a little bit everywhere just to make sure my skin doesn’t dry at all because aeroplanes are terrible for that.” Eucerin Aquaphor Soothing Skin Balm, £9 Prev13 of 31Next