Long Lasting Volume Shampoo - Be fine with being fine. This color safe shampoo breathes life into fine hair, cleans strands and adds bounce and volume. It's the 'pick me up' your hair has been waiting for. | Get The Body You've Always Wanted - Turn your hair volume all the OUAI up with this thickening shampoo that delivers a fuller, more voluminous look. Biotin, hydrolyzed keratin and chia seed oil deliver essential nutrients that help to strengthen, reduce frizz, tame flyaways and add weightless body that lasts. | OUAI Means Yes - In that casual Parisian way. OUAI is about being better IRL. It's about having honest conversations with our community. It's about letting go of unrealistic expectations and embracing your imperfections. | Made For Effortless Routines - All OUAI hair care products including this sulfate-free shampoo are carefully crafted to cut styling time and nourish your hair health. We put the good stuff in and leave the bad stuff out, without ever sacrificing quality. | Live Life Your OUAI - OUAI offers luxury hair products at affordable prices that are user-friendly - no glam squad needed. Lather a quarter-size amount of our moisturizing shampoo and work into anywhere hair touches the scalp. After rinsing follow up with the OUAI Fine Hair Conditioner for healthy, luscious strands.