Transform limp lifeless hair with the root boost hair thickening spray from nanogen formulated using thicker hair technology the fast absorbing spray is enriched with lifting polymers natural sea salt and caffeine to deliver instant volume from root to tip soothing niacinamide cares and nourishes the scalp whilst peptides repair cuticles and heat activated protein protects hair from damage caused by blow drying contains keratin to strengthen strands and boost elasticity improving hair