Dr Feder's HRC Skin Repair - Hyaluronic Repair Concentrate. This gleaming facial serum is packed with Hyaluronic Acid, the super skin cell hydrator. Europeans say it's better than Botox. U.S. hospitals use Hyaluronic Acid to lubricate stiff joints. And a major TV news hour illustrated its ability to help both men and women look younger into their 60s, 80s and beyond. It is concentrated for application to your most troublesome areas on the face and neck. Use it morning and night and see a difference in your own mirror in just weeks.