Transform rebelliously frizzy & unruly tresses with the Goldwell Kerasilk Control Intensive Smoothing Mask; an intensive rinse-out treatment that offers instant combability & manageability through vital hydration & nourishment. Developed with exclusive Kera Shape Technology, the rich hair masque harnesses a new generation of smoothing ingredients like Glyoxylic Acid, Keratin, & Silk Proteins to penetrate deep into the hair shaft, creating new keratin bonds that stabilise the hair shape for up to five months. Providing long-lasting hair control, anti-frizz protection & colour-preserving benefits, the revitalising formula leaves you with soft, silky-smooth & manageable locks.