Brand new in box. Purchased June 2024. Plump + Glow Vitamin C Serum This silk-textured serum boasts the unmatched power of the kakadu plum — a rare Australian superfood known for having the highest concentration of vitamin C in the world — to visibly volumize, smooth, firm, and brighten the look of skin. Concentrated enough to deliver age-defying results, yet gentle enough to be used day and night, Plump + Glow Vitamin C Serum effortlessly delivers a years-younger look.