Achieve fuller and denser hair with L'Oréal Professionnel - Serioxyl Advanced Denser Hair Serum. This serum is specially designed to increase hair density and create the illusion of thicker hair. Results after 6 weeks*. Serioxyl Advanced Denser Hair Serum is your key to achieving fuller and more voluminous hair. With its advanced formula containing stemoxydine and neohesperidin, it helps stimulate hair follicles and promote hair growth. The serum quickly penetrates the scalp and leaves no sticky residue. To visibly achieve fuller and more voluminous hair, simply use Serioxyl Advanced Denser Hair Serum regularly. Apply the serum to dry or damp scalp and gently massage it in. Leave it in and style your hair as desired. You will quickly experience how your hair appears fuller and denser. Serioxyl Advanced Denser Hair Serum is concentrated with 5% stemoxydine and enriched with resveratrol to maintain stem cell function and optimize hair cycles, leading to improved follicle renewal and increased hair density. The product is also dermatologically tested and created in collaboration with professionals. Serioxyl Advanced Denser Hair Serum is scientifically proven effective and can give you denser hair in just 6 weeks*. In addition to its effectiveness, the serum also has a fresh scent enveloped in a refreshing breeze. Give your hair the attention it deserves and achieve fuller and denser hair with Serioxyl Advanced Denser Hair Serum from L'Oréal Professionnel.