SkinCeuticals C E Ferulic Often considered the holy grail of vitamin C serums, the SkinCeuticals C E Ferulic ($166) is the hero product of the line. It's a potent serum that actually transforms skin from dull to bright. It's a dermatologist favourite, and is great if you have normal to dry skin. Image Source: dermstore.com SkinCeuticals C E Ferulic $166 from dermstore.com Buy Now