Vitamin C Serum. For All Skin Types. Vitamin C has been known to repair damaged, dry skin, fading fine lines and wrinkles, and even firming and toning difficult under eye bags. Directions: For best results, begin by cleansing with Vital C Cleanser. Apply serum to the face, neck, chest, and uneven skin tones avoiding contact with the eyes. Use twice daily. For external use only. No Artificial Color, Parabens, Phthalates, Propylene Glycol, and No Animal Testing. Vitamin C Serum: Active ingredients: Cyclopentasiloxane, Dimethicone Vinyl Dimethicone Crosspolymer, Dimethicone, Caprylyl Methicone, Tetrahexyldecyl Ascorbate (Vitamin C), Tocopheryl Acetate (Vitamin E).