The 6.60 Intense Red by Garnier is a volumizing and brightening shampoo. It can be used to target grays and silver hair, but can also be used to achieve a more vibrant color. The shampoo is infused with avocado oil, argan oil, and shea butter, which provide moisturizing benefits and help nourish hair. The shampoo is also free of sulfates, parabens, and gluten. The shampoo is for all hair types and has a fresh scent.