New Dyson Chitosan Post-Styling Hair Serum for Hold & Style Extending.

Better $ and tax free at amysfinery . ca Hold and hydrate your end style, with instant shine and definition. Dyson Chitosan™ Post-style serum has been developed for use on finished styles on all hair types, to give 2x longer hold*, without crunch, brittleness or residue. For hair that looks and feels moisturized, soft and smooth. Paraben-free, vegan formulation. Dyson Triodetic™ technology, powered by our key ingredient, chitosan, creates flexible, lightweight bonds that support the hair, strand by strand. Our formula protects your style from unwanted frizz, even in high humidity.** For use on dry, styled hair. Work through the hair with your fingers to smooth, define and enhance your style. Retails for $80