Pan's Ink is an aromatic tincture made with aromatherapy-grade essential oils which is designed to target the effects of your vapor or smoking herbs and give you consistent relief. It does this with terpenes - the ingredients that make up your herb's essential oil. Terpenes direct your herb's/vape's many different effects, and provides it's wonderful lemon, pine, and lavender scents. Pan's Ink can be added to all smoking mixtures. Just one to two drops per tank of fluid to achieve desired affect.