What is it: Nexxt Keratin Hair Mask is the perfect treatment for dry and damaged hair. Advanced hair repair system specially formulated to enhance the texture, softness, manageability, shine, and damage restoration. Why you’ll love it: With regular use, you'll witness your strands become smoother, silkier and progressively restored. Helps to resuscitate dull, thin hair by imbuing it with the very protein your hair is made of - keratin.