Serum 10PATENTED L ASCORBIC ACID USP 10% An advanced oil free Vitamin C serum specifically formulated to reduce signs of environmental damage such as fine lines, wrinkles, uneven skin texture and tone. Ideal for sensitive skin. Directions Remove and discard white cap and replace with dropper. Place 2 to 3 drops in palm of hand and use fingertips to apply a thin layer to face, neck, chest and back of hands as desired. Apply once or twice daily to clean, dry