L'oreal Professionnel Serioxyl Advanced Denser Hair Everyday Scalp Treatment Serum 90mlLOreal Professionnel Serioxyl Advanced Denser Hair Serum is a daily scalp treatment enriched with Stemoxydine and Resveratrol, two powerful ingredients that work together to give you the appearance of fuller, thicker hair. Stemoxydine is a redensifying molecule that has been the subject of ten years' worth of research, so you can trust that it's effective. And Resveratrol is a powerful polyphenol derived from anti oxidant skincare solutions, meaning