Schwarzkopf Gliss Liquid Silk intensive shine mask Created to repair and rebuild damaged hair, this Gliss Liquid Silk Mask from Schwarzkopf Professional is a cream to ensure your hair becomes and stays strong, silky and shiny. Intensively Repairs Dull, Brittle Hair. Made with ingredients that help repair your brittle and damaged hair, so that it can become stronger and shinier, so as to remove the dullness factor. Regeneration and Repair Inside the Hair Cell. With the help of this mask, we know that regeneration and repair happens within the hair cell, making its stronger from the inside-out. With strong roots comes strong and lovely looking hair! Makes Hair Smooth and Shiny. As the name suggests, this mask gives your hair unmistakable shine along with glossy and smooth feel.