AYU Instant Under Eye Concealer. Looking for that tried and trusted concealer with maximum effect? Check out this Instant under eye concealer from beauty brand AYU. This is a highly pigmented yet lightweight concealer that will brighten and even out skin tone under the eyes for a fresher, brighter and more youthful look instantly with no extra sleep required! This is for anyone who wants a full coverage under eye concealer with a weightless feel and natural skin finish