If you want to achieve denser looking hair, L'Oreal Professionnel Serioxyl Denser Hair Treatment (90ml) is what you're looking for. Formulated with Stemoxydine™, the first hair-revealing molecule and Neohesperidin™ that protects against oxidative stress to ensure it functions correctly, the serum helps you to achieve denser looking hair. With pipette application, the treatment is quick and accurate and has been proven to help you achieve more hair per cm² in just three months.