Kaja Cat Nap Under Eye Brightener While this Kaja Cat Nap Under Eye Brightener ($19) is technically meant to colour correct dark under-eye circles (and can be worn under your favourite concealer), it can also serve as a brightening concealer on its own if the peachy hue matches your complexion. Image Source: sephora.com Kaja Cat Nap Under Eye Brightener $19 from sephora.com Buy Now