ion color defense shampoo ion ion color defense shampoo gently cleanses and strengthens color-treated hair while protecting from heat styling and environmental damage. seals in color, adds moisture and shine and increases manageability leaving hair color looking vibrant and fresh.from volumizing to smoothing, moisturizing to color-protecting, ion shampoos, conditioners, and treatments are formulated to provide impeccable, professional results for all hair types. *this product is manufactured in a facility that manufactures other products that may contain gluten.