BBDS CNCLR DEEP NEUTRAL 58. Benefits: All-in-one dark spots concealer + serum provides buildable, medium coverage with a natural finish to instantly improve the look of dark spots and other skin texture concerns. IT Cosmetics partners with plastic surgeons and dermatologists to develop skin-loving solutions and clinically tested formulas. Features: AFTER 12 WEEKS*:. 94% say bare skin looks smoother*. 86% say dark spots look minimized*. **Based on expert grading after 12 weeks of daily use.. Key Ingredients: 2% Niacinamide: Helps skin look more even-toned; minimizes the look of dark spots. Caffeine: Helps skin look brighter.