Pravana’s Perfect Blonde Shampoo brightens and cleanses hair for a beautiful, brass-free blonde. It sulfate-free formula utilizes a special dye to keep unwanted yellow tones out of blonde hair. Keratin, wheat and silk amino acids bring shine and strength back to hair. Pravana’s core mission is to provide high performance beauty solutions for professionals and their clients through a variety of innovative, carefully curated hair products. They use an eco-conscious approach that includes biodegradable packaging and non-harmful, natural ingredients. All products are free of sulfates, parabens, formaldehyde, cocamide DEA and phthalates and many other products known to be harmful to the environment and users.