Pink Root Caffeine Face Mask : This caffeine enriched mask improves blood circulation and brightens the skin. It also helps get rid of excess oil from your skin and gives a cooling sensation. Caffeine is an excellent exfoliator and helps in stimulating blood flow, which reduces acne and even cellulite and stretch marks. Caffeine face mask benefits are that its rich antioxidants kill dead cells and remove impurities, making skin smoother and brighter looking.