After struggling to find a ‘cool and curated’ haircare brand, influential hairstylist to the stars Jen Atkin – her impressive client list includes Kim Kardashian, Katy Perry and Jennifer Lopez – decided to establish her own line with OUAI. Pronounced ‘way’, the label is like a ‘breath of fresh air’, standing out with its sleek packaging and luxury ingredients, such as the vitamin-rich kumquat fruit extract, babassu oil, coconut oil and hydrolysed keratin that comprise this medium hair shampoo.