Without proper intervention and maintenance, your beautiful, color-treated hair can fade quickly. That's why there's Biolage-colorlast shampoo to the rescue. This brilliant product helps maintain the tone, color and vibrant shine of your treated hair, all the while gently cleansing. In order to use it, apply the product to wet hair in a smooth, massaging motion. Then, rinse it out completely. Like the fade-defying orchid of nature, Biolage-colorlast conditioner maintains your color-treated hair so it keeps its depth, tone and shine. This product leaves your hair soft and free of tangles while at the same time moisturizing your luscious locks. Simply work the product into a lather and then apply to wet hair. Let it sit for 1-3 minutes before rinsing completely.