Developed with dermatologists and plastic surgeons, Bye Bye Dark Spots Concealer + Serum does more than just provide instant medium coverage of your skin concerns. Over time, this ""skincealer"" clinically fades the look of dark spots with the help of the 2% niacinamide, hyaluronic acid and caffeine that make up the Super Bright Serum to visibly improve the look of bare skin.