The Dr. Barbara Sturm Brightening Serum is a brand new, unopened product in its box. This serum is specifically formulated to target blemishes and brighten the complexion. It contains hyaluronic acid as its main active ingredient, providing deep hydration and moisture to the skin. With a volume of 30ml and a formulation designed for the face, this serum is a powerful addition to any anti-ageing skincare routine. The product is UVA compliant, making it suitable for everyday use in protecting and improving the skin's appearance.