HSGN Pure 15% Vitamin C E Ferulic Acid Serum Review A Korean SkinCeuticals Vitamin C dupe exists! If you’re a skinthusiast, you may have searched ‘SkinCeuticals Vitamin C dupe’ at least once in your life due to its steep price. And that’s why we’re so excited that we discovered the best Korean dupe for the SkinCeuticals Vitamin C E Ferulic! Introducing HGSN: The Korean SkinCeuticals Vitamin C Dupe The best Korean dupe for SkinCeuticals Vitamin C E Ferulic is HSGN Pure 15%…