DERMAdoctor Kakadu C 20% Vitamin C Serum for Face, Ferulic Acid, 1 fl oz | Tocopherol + plum antioxidants • Anti aging • Brightens the look of discoloration • Hydrating • Dermatologist formulated

Customers find this Vitamin C serum to be of good quality and appreciate its moisturizing properties, noting that it firms and rejuvenates skin. They like how it improves skin appearance, with one customer mentioning it brightens their complexion. Opinions on value for money are mixed, with some finding it a great value while others say it's not worth the price.