Keratek professional keratin post shampoo has been developed exclusively for use after keratin treatment. This exclusive moisturising formula cleanses the hair and adds shine. Its non sodium chloride formulation prolongs the effects of keratin treatment. It contains hydrolyzed keratin and smoothing agents that help maintain the perfect smoothness and adds long-lasting shine. It is highly recommended to use keratin post shampoo after keratin treatment as it provides required care to hair and prolongs the benefits of keratin treatment.