Revlon ColorStay 24H Eye Awaken Concealer is a long-wearing concealer designed to brighten and cover dark circles under the eyes. It comes in four shades: Brightener, Neutralizer, Light, and Medium. The Medium shade is designed to match medium skin tones. The formula is lightweight, hydrating, and infused with caffeine and vitamin E to help reduce puffiness and improve the appearance of the skin around the eyes. It is also crease-proof, transfer-resistant, and sweat-proof for up to 24 hours.