Sudden Change Under-Eye Firming Serum works on unsightly wrinkles and bags that can form under your eyes. The Under Eye Serum, 0.23 oz, can be used with or without your foundation to lift, tighten and smooth out under-eye problems. This dark circles serum offers you a non-surgical under-eye "lift" when you need it in the daytime or evening to give you a smooth, younger looking appearance. With the Sudden Change Under-Eye Firming Serum, the lines, wrinkles, dark circles and puffiness under your eyes will be visibly reduced in just three minutes.