Abba Pure Performance Hair Care Gentle Shampoo uses herbal therapy to gently cleanse and soothe hair and scalp. The cherry bark and aloe in Abba Pure Performance Hair Care Gentle Shampoo work together to create a high performing product. Abba Pure Performance Hair Care Gentle Shampoo is gluten and sulfate-free. Abba Pure Performance Hair Care Gentle Shampoo is infused with Abba's ProQuinoa Complex. The High-performing ProQuinoa Complex contains quinoa, barley, and soy proteins which rescue damaged hair fibers.