Karseell Collagen Hair Mask is a hair treatment product that contains natural ingredients such as maca essence, keratin, collagen, argan oil, and natural herbs. It is designed to repair and nourish dry and damaged hair, moisturize and bring a shiny luster, and restore split ends of the hair. The product is available in different volumes, including 500ml and 60ml. There are no negative details available about the product.