Caffeine fuels mornings across the world. I heard in Italy they only drink cappuccinos, caffé lattes, latte macchiatos or any milky form of coffee in the morning, and never after a meal; I admire the Turkish mantra that coffee should be "black as hell, strong as death, and sweet as love", and in Japan coffee is readily available hot or cold from vending machines and supermarkets.
But beyond morning coffee, caffeine serves another high purpose - as a beauty ingredient.
In many ways, caffeine has similar effects on the skin as it does on the body when ingested. With antioxidant properties, caffeine can help to neutralize free radicals, which are unstable compounds that c