OUAI Hair Oil in Beauty: NA. OUAI Hair Oil in Beauty: NA. Packed with African Galanga, Ama and Asian Borage Oils to keep your color from fading and protect from heat damage, OUAI Hair Oil delivers sleek, frizz-free hair. The multitasking oil seals your split ends and provides a high-gloss and super smooth look.. Free of Parabens. Color safe. No animal testing. 1.5 fl oz. Best used with: Ouai Smooth Shampoo. OUAR-WU13. FG-0728-A-00. Founded by hair stylist to the stars Jen Atkin, OUAI - pronounced way - originated HAIRGOALS. The mane addicts at OUAI believe that life is hard and looking good should be easy. That's why their line of luxury shampoos, conditioners, and styling products was designed to nourish hair and bring out its natural beauty - no glam squad necessary.