Seal in your hair's shine with Motions Straight Finish Sealer, a finishing product that controls frizz and helps hair retain moisture during heat styling. Formulated with nourishing ingredients, this elixir leaves hair silky smooth. Motions Straight Finish Sealer is the last of three steps in the Motions Straight Finish Heat Styling System, which is designed to prepare, protect, and seal hair for temporary straightening with heat appliances.