Boasting a unique and effective formula which works to enhance and maintain your coloured hair the matrix biolage colorlast mask has a super rich creamy formula which deeply conditions and nourishes containing orchid flower extracts which reduces fade in colour this mas is a must have kd directions for use after using biolage color care shampoo massage matrix biolage colorlast mask into wet hair and leave in 3 5 minutes rinse use once or twice weekly in place of color care condi