Deconstruct Vitamin C Face Serum is a non irritating, water-based, lightweight formulation with 10% Vitamin C and 0.5% Ferulic Acid that brightens dull skin, reduces tanning and pigmentation, and supports collagen synthesis. Vitamin C Serum - Shop Vitamin C Serum for Face at Nykaa. Explore natural, paraben-free, and cruelty-free serums for radiant skin. Enjoy fast delivery & best deals. A gentle formula with 10% vitamin C and 0.5% ferulic acid, this water-based vitamin C serum for face suits beginners and sensitive skin. It helps brighten dull skin, reduce tanning, and improve texture. Check out the various forms of the serum available online and make your selection accordingly. Brands like Plum, Minimalist, Garnier, Khadi Ark, Dr. Rashel, and others have a wide range of vitamin C facial serums you can choose from and buy online.