L’OREAL PROFESSIONNEL SERIOXYL DENSER HAIR. Scalp Solution for Denser Looking Hair. Size: 90ml / 3.04fl. L’Oreal Professionnel Serioxyl Denser Hair Serum. Is designed for fine and thinning hair. Adding this treatment to your daily routine will boost hair density and thicken hair just within six weeks. L’Oreal Serioxyl Denser Hair Serum. Combines expert research, cutting-edge […]