A color-safe shampoo strengthens and calms thick hair with an incredible do-it-all formula that tackles the most common concerns for your hair type. do-it-all formula tackles the most common concerns for your hair type. OUAI‘s bottles and caps are fully recyclable and made with 20 percent post-consumer recycled materials. It‘s also scented with Mercer Street, a rose fragrance with notes of Italian lemon, jasmine, and white musk.