Introducing Garnier Skin Natural's MOST CONCENTRATED brightening and spot reduction formula in a face serum, the NEW GARNIER BRIGHT COMPLETE VITAMIN C BOOSTER SERUM. The lightweight, non-oily formula, enriched with 30X VITAMIN C* and Lemons, instantly penetrates the skin to give you an INSTANT GLOW and REDUCE SPOTS IN 3 DAYS**, making it one of the best vitamin c serums for the face. (**clinical basis test) Garnier Bright Complete Vitamin C Booster Serum provides immediate and visible results. (*in comparison to day cream)