Eyeseryl® & Regu®-Age Lightens Dark Eye Circles Why choose Dark Circle Lightening Serum? Fragrance Free Gluten Free Paraben Free Dye Free Cruelty-Free Vegan Friendly Dark Circle Lightening Serum is an effective combination of Hyaluronic Acid, Eyeseryl® and Regu®-Age designed to hydrate the skin and lessen the appearance of dark circles