HAIRHORNBenefits of Using HAIRHORN Keratin Conditioners It can help revive damaged hair. Bye, bye dull and damaged hair! . It makes hair straighter. Get straight hair even without expensive treatments. It helps calm frizz. No more nasty tutsang when you use keratin conditioners. It keeps your hair in its best condition. Keratin works by smoothing down the cells that overlap to form your hair strands. The layers of cells, called the hair cuticle, theoretically absorb the keratin, resulting in hair that looks full and glossy. Keratin also claims to make curly hair less frizzy, easier to style, and straighter in appearance.