DYSNCHTSNMLT-SSTYLSPRYLXRYSZ 4.7OZ. Benefits: Hold end style or revive and restyle second day hair with one multi-use styling spray for flexible all-day retention.. Humidity shield protects against environmental humidity.. Best for wavy, curly or coily styles across all hair types. Maintains bounce and movement in curly styles.. Non-aerosol spray releases an ultra-fine mist for even application and lightweight, buildable hold, without the crunch.. Features: Dyson has been researching hair science for a decade. Our hair laboratories and scientists are committed to pioneering hair styling tools and products engineered to perform.. The Chitosan collection is developed for lightweight retention. Our chitosan is derived from oyster mushrooms, not shellfish. Mushroom-derived chitosan offers a sustainable and non-allergenic solution for our active ingredient. Each bottle contains the equivalent of four to five oyster mushrooms.. Key Ingredients: Chitosan derived from oyster mushrooms locks in your styles.. Blend of amino acids repair signs of surface damage for healthier looking hair.. Bamboo extract helps retain styles and maintain smoothness.. Fragrance: A subtle blend of green and floral notes, Dysons signature fragrance unfolds with bergamot, basil and tangerine..