Specially formulated to meet the needs of damaged and chemically-treated hair. Matrix Biolage Keratindose Conditioner For Overprocessed Hair effectively detangles your hair. The Pro Keratin and silk extract-enriched formula helps to soften, repair and moisturize with a creamy, luxurious consistency. The nourishing formula will leave your hair conditioned and smooth, with a silky soft texture and a luminous, healthy shine. Your locks will be restored and repaired, as well as being more manageable. Directions for Use: After shampooing, massage into wet hair. Leave in for 1-3 minutes and rinse thoroughly.