Tailoring your skincare to your skin tone, the Dr. Barbara Sturm Darker Skin Tones Hyaluronic Serum delivers intensive hydration to smooth the appearance of fine lines and boost skin’s luminosity. The fast-absorbing serum is powered by the brand’s proprietary blend of hyaluronic acid, radiance-boosting Lumicol and soothing purslane. The formula locks in skin-plumping moisture while promoting a more even-looking skin tone. Specifically designed to meet the needs of deeper skin tones, the serum leaves skin instantly hydrated and glowing.