Rich, Moisturizing Shampoo - Been dreading this all week? This hair strengthening shampoo calms dry, thick hair while fighting frizz and smoothing every strand so you can look forward to wash day. | Moisture So Rich You'll Need a Prenup - This keratin shampoo fights frizz and tames flyaways with the help of marshmallow root to detangle and prevent hair from coiling. Shea butter delivers deep hydration while avocado oil coats your hair to prevent breakage. | 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 our thick hair shampoo and conditioner are carefully crafted to cut styling time and nourish your hair health. We put the good stuff in our anti-frizz hair products and leave the bad stuff out, without ever sacrificing quality. | Live Life Your OUAI - OUAI offers luxury hair products like this sulfate-free shampoo at affordable prices that are user-friendly - no glam squad needed. Wet hair, lather up and rinse clean. Follow up with OUAI Thick Conditioner. Moisture all the OUAI up.