ion Volume Shampoo gently cleanses hair for ultimate thickness and maximum volume and is great for all hair types. This volume shampoo leaves hair full, shiny and manageable without any build-up. From volumizing to smoothing, moisturizing to color-protecting, Ion shampoos, conditioners, and treatments are formulated to provide impeccable, professional results for all hair types. 100% vegan. Great for all hair types. Incredible volume and thickness.