Bye bye under eye concealer by it cosmetics! | The concealer that will change your life! Cosmetics IT - Bye bye under eye is a full coverage, waterproof, anti-aging concealer. This award-winning and best-selling concealer offers complete, full coverage that won't crack or crease thanks to its highly moisturizing and anti-aging treatment. Developed in collaboration with cosmetic surgeons and dermatologists, its formula is enriched with patented expression-proof technology, peptides, vitamins, hydrolyzed collagen, hyaluronic acid, and antioxidants. Developed in collaboration with cosmetic surgeons, this under eye concealer is available in 24 shades and helps correct the appearance of dark circles, puffiness, redness, broken capillaries, and other imperfections.