Osis Plus Soft Glam Smooth Polish Elixir The featherlight formulas with liquid minerals give the hair a delicate shine, whilst also providing grip and a flexible hold, with a soft touch and natural feel. Use this defrizz polishing elixir for smoothness and splendid shine. Used before blow drying it melts in the hand to a lightweight velvety serum. Apply on dry hair for a smooth shiny sleek look and extra control at the ends.