The Biolage ColorLast Deep Treatment Pack is a concentrated multi-use hair mask designed to provide deep care and protection for color-treated hair. This creamy formula works in just five minutes to help hair appear more vibrant, shiny, and healthy. Specially formulated for color-treated hair Helps maintain vibrant hair color Light, easy-to-use squeeze packaging Provides multiple applications per pack Ingredients Key ingredients include orchid and apricot seed oils, known for their nourishing and protective properties. Suggested Use Apply to wet hair after shampooing. Leave in for 3-5 minutes to allow deep conditioning. Rinse thoroughly. For optimal results, use once a week as a replacement for conditioner, ideally following Biolage ColorLast Shampoo. Note: Avoid contact with eyes. If contact occurs, rinse immediately with water.