This bombin' tonic formula is charged with natural caffeine and rich in antioxidants to help support the hair and scalp. This bombin' tonic formula is charged with natural caffeine and rich in antioxidants to help support the hair and scalp. Harnessing the powerful compounds of the Yerba Maté leaf from the Amazon jungle, Growth Bomb has formulated electrifying, antioxidant-rich haircare products. The brand combines nature-derived practices with scientific research to provide advanced scalp care that works to protect against breakage, support vitality, and refresh damaged hair.