Double Lash & Brow is a 6-week treatment that combines organic Castor Oil and plant extracts to provide intense nourishment to thinning lashes and brows. Rich in Omega 6 fatty acids, castor oil has the unique ability to penetrate deeply into the air and skin encouraging growth and thickness. It can also give your lashes and brows a richer, darker color. Used nightly and applied directly to the lashes and brows, visible results should be noticeable in 2 to 3 weeks. HypoallergenicDesigned to minimize the possibility of an allergic response.