- Brand: L'oréal Paris - Model Number: Professionnel Pro Fiber Concentrate - Product: Rectify Hair Treatment 10 x 15ml - Concentrate for improving hair quality. - Damage level 1 - damaged cuticle. - Effects: Hair fibers are smooth, strong and soft already after the first application. Hair is regenerated from root to tip. Discover the feeling of new regenerated hair. - Hair type: This product is suitable for fine to medium hair. Sensitive, naturally damaged hair. - Use: Apply the concentrate to the lengths and ends of shampooed hair. Then apply the regeneration mask to the hair, massage in and leave for 5 minutes. After the exposure time, emulsify and rinse thoroughly. Repeat the application preferably after every fourth hair wash. - 10 x 15ml.