Biolage Color Last Shampoo for Color‑Treated Hair (13.5 fl oz) is a gentle, sulfate‑free cleanser designed to protect and prolong color vibrancy. Infused with green tea antioxidants and UV filters, this shampoo smooths the cuticle, strengthens strands, and helps prevent fading with each wash. Its lightweight formula revitalizes color-treated hair, leaving it soft, radiant, and resistant to dulling—perfect for maintaining salon-fresh vibrancy at home.