Cationic Hydration Interlink. Moisture therapy shampoo. Sulfate and paraben free. Moisture Therapy Shampoo - CHI Infra Shampoo is specifically developed to work in conjunction with the CHI line. CHI Infra Shampoo with Cationic Hydration Interlink will provide gentle luxurious cleansing to the hair while providing a balance of moisture for softness and proteins for strength. Can be used on a daily basis. Not tested on animals. Dispose of properly. Made in the USA.