L\'Oreal Professionnel Serioxyl Denser Hair Treatment is a professional super serum suitable for female and men who have very fine or thinning hair, or suffer from hair loss. Formulated with ingredient which has had 25 years of research: Stemoxydine, plus Resveratrol shown to protects against oxidative stress to ensure it functions correctly. The formula will leave your hair looking denser and feeling fuller. With pipette application, the hair treatment is quick and accurate. With over 10 years of research, L\'Oreal Professionnel\'s Serioxyl range targets fine and thinning hair. Serioxyl haircare and serums leave your hair feeling thicker and fuller.