Sherosa shampoo with silk protein silky and soft for extremely dry hair: Sherosa shampoo and conditioner contains silk protein specially formulated to care for extremely dry hair helping to make it smooth and silky. Silk protein benefits: - Silk protein has a greater ability to infiltrate the hair strands as it penetrates the hair, it improvises its elasticity against breakage and strengthen the hair - Silk helps improve the elasticity of hair strands and adds luster and manageability to your hair. - It improves comb ability, smooth feel and silky feel.