Transform rebelliously frizzy and unruly tresses with the Goldwell Kerasilk Control Intensive Smoothing Mask; an intensive rinse-out treatment that offers instant combability and manageability through vital hydration and nourishment. Developed with exclusive KeraShape Technology, the rich hair masque harnesses a new generation of smoothing ingredients like Glyoxylic Acid, Keratin, and 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 and colour-preserving benefits, the revitalising formula leaves you with soft, silky-smooth and manageable locks.