Retrax Gel FS 15.5% Ferric Sulfate Gel Achieve profound hemostasis in seconds. Fast application. No need to waste time, pre-soaking or burnishing, infusing or rubbing the medicament into the tissue. Makes initial cord packing easier by providing lubrication when packing cord, allowing the cord to glide into the sulcus. Lubricating action allows for less needed force while packing, helping to reduce the chance of damage to the periodontal ligament. Unique thick gel concentrates the medicament to control bleeding faster and longer. Orange color.