Cosmetic injectable is a substance that is produced by a bacterium its is then highly refined purified diluted and used in therapeutic doses it is administered by injecting it into a specific muscle where it acts as a muscle relaxant anyone can benefit from cosmetic injectables due to its efficacy in improving lines and wrinkles due to facial expressions eg worry lines frown lines and between the eyebrows it prevents these muscles from contracting and causing wrinkles in the skin