It’s green tea, ground into a powder. It has 10+ times the amount of antioxidants as regular green tea, because you’re drinking the entire leaf, not just what gets brewed off of it. And there’s caffeine. To get a sense of the taste, try chewing on the clippings from your freshly mowed lawn. It’s an acquired taste. You’ll need honey.
Never buy aftershave again. Dilute it with witch hazel, glycerin, aloe vera, and tea tree oil… if you’re fancy. But the main thing is, rubbing alcohol.