Biolage ColorLast Shampoo is expertly formulated for colour-treated hair, designed to gently cleanse whilst preserving the depth, tone, and vibrancy of your shade. This low-pH formula, infused with nourishing soybean oil, works to prevent fading, enhance radiant shine, and leave hair feeling soft and manageable. For optimal results, apply to wet hair, lather with a gentle massaging motion, and rinse thoroughly, integrating seamlessly into your regular hair care routine