Obagi Professional-C Serum 20% 1fl oz Obagi Professional-C Serum 20% is formulated with 20% L-ascorbic acid,
the only form of vitamin C suitable for topical application. L-ascorbic
acid reaches the deepest layers to the skin to provide superior
antioxidant protection, defend against damaging UVA and UVB sun rays,
contribute to collagen synthesis and help prevent premature signs of
aging such as fine lines and wrinkles.
Suitable for all skin types, Obagi Professional-C Serum 20% also reduces inflammation to help soothe irritated skin.
