Nourishing Serum for hair "Comprehensive care" 30ml Instantly nourishes, smoothes and protects the surface of the hair from damage due to argan oil, pro-vitamin B5 and vitamin E, without weighing it down. Hair becomes silky, shiny and up to 5 times stronger. How to use: Apply to damp or dry hair from mid-length, focusing on the tips. It does not require rinsing. Application: Apply the product to damp hair. Do not rinse. Place the hair as usual.