Obagi Professional C-Serum 20%, 0.5 oz. The 20% concentration of L-ascorbic acid is the strongest of the Professional C-Serums. Please consult a physician to help you decide if the 20% concentration is right for you.
Improves the appearance of dark circles, crepiness, and crows feet. Helps strengthen thin, delicate skin to minimize dark circles. Helps to control and reduce puffiness from excess fluid around the delicate eye area.
Protects against skin-damaging UVA and UVB rays with broad-spectrum sunscreens. Formulated with 10% L-ascorbic acid (Vitamin C) for protection against photodamage and signs of skin aging. Cosmetically elegant with a luxurious feeling upon application.