Dyson Chitosan styling products have been formulated to provide flexible hold throughout the day. Developed for all hair types, Dyson Chitosan products are part of your styling routine together with Dyson hair care technologies. Available in four different formulas, each precision-blended for a different hair type, and conditioning preference (rich or light). Powered by Chitosan: Used in Dyson Chitosan styling products, its natural properties help hold styles by creating a lightweight, web-like structure around each strand of hair, without any of the stickiness, breakage, or cardboard effect that conventional styling products can sometimes have. This complex macromolecular structure, called Triodetic technology, allows each strand to maintain its shape while maintaining movement. Fixes style flexibly with Triodetic technology. Formulated with chitosan, our Dyson Triodetic technology fixes hairstyles while keeping its flexibility, strand by strand, creating invisible and light bonds between the hair. Each strand is able to move, bend and return to its initial style, in harmony with the rest of the hair. Allowing to obtain hair that is smooth to the touch, without a cardboard effect. Post-styling serum - to use on already dry hair after styling. The post-styling serum holds and hydrates your end style, for increased shine and definition. Suitable for all hair types, the texture of the serum is light for flexible hold, without weighing it down. With a blend of amino acids, known to repair signs of damage on the hair surface. And hyaluronic acid which helps reduce frizz caused by humidity, for added smoothness and shine. Flexible all-day hold.* With less frizz and increased shine. Smooth down lengths to reduce frizz and flyaways. Creates instant shine for smoother hair that lasts.