CHI Curl Perserve System Low pH Shampoo 12oz Sale! from 2093 /per Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. CHI Curl Perserve System Low pH Shampoo 12oz Sulfate & Paraben Free gently cleanses and moisturizes hair, while smoothing the cuticle. Tweet