All Products are “New and Authentic direct from Pureology”. Pureology Nano Works Gold Shampoo & Conditioner Duo. Size: 33.8 oz. (sulfate free) formula, with. Is gentle enough for daily use to restore and protect mature and aging color-treated hair to give. Rich lather, easy rinsing. Apply a quarter-sized amount to wet hair and lather. Pureology Nano Works Gold Conditioner 33.8 Oz. Nano Works Gold Condition for aging, colour-treated hair whichluxuriously restores hair’s youthful radiance. This rich formula, with Golden Marula Oil and the exclusive AntiFadeComplex, provides suppleness, shine and intense nourishment to matured hair. Nano Works Gold Conditioner luxuriously conditions and renews demanding color-treated hair to deliver anti-aging benefits. Instantly detangles and leaves hair exceptionally fortified. Intensely nourishes damaged and aging hair. Adds softness and shine. How to Use: Apply to clean, damp hair. Massage gently into hair and scalp. For sensitive scalps, rinse after 30 seconds.