111Skin Vitamin C Brightening Booster in Beauty: NA. Beam with the radiance of beautiful skin. The Vitamin C Brightening Booster from 111SKIN is a powerful concentrate of radiance-boosting ingredients that helps to noticeably brighten and even skin tone for a luminous, translucent glow.. Kopcinol helps to fade dark spots and prevent melanin formation. Glutathione protects the cells against future pigmentation. Vitamin C brightens the complexion. 0.67 fl oz. Mix 1-2 drops with moisturizer or apply directly to skin after cleansing. For best results, use nightly. Use with the Bio Cellulose Facial Treatment Masks. 111R-WU22. VCBB20. Working in collaboration with space scientists responsible for the well-being of astronauts, renowned cosmetic surgeon Dr. Yannis Alexandrides developed the patented NAC Y2 formula that runs through the core of his highly effective skincare line. Named after his Harley Street, London clinic, 111SKIN’s cutting-edge products feature potent healing ingredients designed to promote a youthful and radiant appearance while offering unprecedented protection against environmental damage.