Textbook ingredients for luminous skin:niacinamide, glutathione and Vitamin C. Arencia’s Vitamin C Glutathione Booster Shot Essence contains all three, along with antioxidant-rich botanicals to activate skin’s inner glow and enhanced resilience! Infused with anti-agers and hydrators like adenosine and ceramide NP, the potent formula also restores skin plumpness for soft and youthful skin.