Revitalize your hair with Kérastase Genesis Homme Strength & Thickness Boosting Spray. This powerful spray is designed for men, targeting weakened, thinning hair for a thicker, fuller appearance. It enhances hair fiber for a robust feel while providing a light hold and a non-sticky finish. Enjoy lasting volume for up to 24 hours. Spray directly onto damp hair from roots to tips without rinsing. Kérastase is committed to sustainability, utilizing recycled materials and achieving carbon neutrality since 2019. Elevate your hair care routine.