The Neutrogena Healthy Lashes Lash Enhancer Serum is a gentle yet effective lash enhancer that helps to promote the appearance of longer and fuller lashes. This serum is formulated with a blend of ingredients that nourish and condition the lashes, helping them to appear healthier and more voluminous. With regular use, you can expect to see visible results in just a few weeks. The serum is easy to apply and is suitable for sensitive eyes. It is a great gift idea for anyone who wants to enhance their natural lashes.