Boost your hair's thickness and density with L'Oreal Professionnel's Serioxyl Advanced Hair Growth Serum. This powerful formula, containing Stemoxydine 5% and Resveratrol, is designed to stimulate dormant hair roots and thicken hair fiber, promoting visibly fuller hair in as little as 6 weeks. Perfect for those experiencing thinning hair, this serum offers a salon-quality treatment you can use at home. Achieve healthier, more voluminous hair with this expert-formulated serum.