Mielle Rosemary Mint Strengthening Hair Masque is a nutrient-rich deep conditioning treatment infused with biotin and natural ingredients. This hair mask is specially formulated to strengthen, nourish and promote longer, healthier hair growth while providing intense moisture. This is a personal care product containing natural and organic ingredients like rosemary, mint, biotin and other nourishing botanicals. For best results, apply evenly to damp hair from roots to ends after shampooing. Leave on for 15-20 minutes before rinsing thoroughly. The 340g jar provides multiple applications for ongoing hair care maintenance.