OUAI Travel Leave In Conditioner in Beauty: NA. OUAI Travel Leave In Conditioner in Beauty: NA. This leave in conditioner detangles hair and protects against heat and damage to reduce frizz and flyaways for perfectly smooth, silky hair.. Suitable for all hair types. Recyclable bottle, vegan & cruelty-free. Free of Parabens. 1.5 oz. Wet hair application:Spray about 6 to 8 inches away from eyeline down. Using a wide tooth comb, begin brushing hair from the eyeline.The combing process will allow the right amount of product to reach the roots without having to be directly applie. Dry hair application: Thicker, coarser or curlier hair can apply on dry hair for a much-needed dose of hydration, shine, frizz, and flyaway control.. OUAR-WU123. FG-0312-B-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.