The kerasilk repower volume shampoo by Goldwell gives fine, powerless hair new fullness and strength. It cleanses gently without weighing it down and prepares the hair optimally for the subsequent steps for a perfect volume. The active ingredients keratin and elastin, which are contained in repower technology, provides supple and shiny to your hair. At the same time your hair gets new elasticity and strengthening. With keratin and elastinfor fine, limp hair.bodifying volume service.perfectly bodyfied hair for up to 10 washes