Working to create the look of voluminous lengths, the Genesis Homme Duo from Kérastase is fortified with iconic and exclusive hair technologies to deliver a strengthening effect. Featuring a refreshing shampoo and a nourishing hair serum, the haircare duo enriches lengths with a blend of powerful ingredients to create smoother, fuller-looking hair with a weightless feel. Set Contents: Kérastase Genesis Homme Thickness Boosting Shampoo 494g: Working to clarify the scalp while nurturing thinning, delicate strands, the shampoo seeks to create the look of thicker, glossier hair. Powered by a system of bain and cire, the shampoo delivers a voluminous effect for instantly fuller-looking locks. Kérastase Genesis Homme Daily Anti-Hair Fall Fortifying Serum 372g: Designed for daily wear, the lightweight hair serum is fortified with edelweiss native cells, ginger root and aminexil to nourish hair fibres. Hair looks stronger and smoother for a lustrous effect.