Sonage C Shield Smart Serum Vitamin C Serum w/ Bluelight Protection Revolutionary technology that protects the skin from blue light. This lightweight water-based serum harnesses a unique liposomal delivery system to shield from digital pollution-induced environmental aging and helps the skin appear more radiant. The extra boost of citrus-derived Vitamin C fades the appearance of dark spots and helps skin look more even. Gluten-free, Vegan. Size - 0.5ml BNIB Open to all reasonable offers.