Tackle tangles and get glossier, healthier hair with the Hair It Is Kit. Featuring two of CHI’s bestselling products in the Infra line, this revitalizing duo includes a gentle sulfate-free shampoo and follow-up treatment that smooths strands and locks in hydration.Infra shampoo combines light cleansing action with hydrolyzed silk and wheat proteins that help to resurface brittle locks. Follow up with Infra Treatment to replenish moisture and nutrients while protecting against heat damage.