L'Oréal Professionnel Serioxyl Denser Hair

This intensive care Denser Hair Serum promotes increased hair density with daily use over 3 months. The serum also contains the patented active ingredient Incell and amino acids, which strengthen the hair fiber and make the hair structure more resilient. Glycerin provides smoothness and refines the surface of the hair fiber, while the included lactic acid supports cellular cohesion.