IT Cosmetics #1 best-selling concealer comes in a 12ml in 24 true-to-skin shades for your perfect match and in a supersize 30ml in 8 shades. Bye Bye Under Eye Concealer is your water-resistant, highly pigmented, long-lasting coverage concealer. Infused with skin-loving ingredients, this concealer improves the appearance of fine lines and wrinkles, helping your skin to appear younger and effectively conceals the look of skin imperfections including dark circles and discolouration.