Matrix hair styling products. BIOLAGE KERATINDOSE Conditioner. Treatment with keratin for damaged and sensitive hair that doesn't contain parabens or sulfates. Restores the vitality of the capillary fiber with a perfect silky effect. The hair is reconstructed from within looking healthy, brilliant and soft. Apply from the middle to ends on damp hair, after washing it. Leave in for about 3 minutes and then rinse thoroughly with plenty of water.