Retrax Gel AS 25% Aluminum Sulfate in true gel form. Excellent retraction, hemostatic control and tissue rigidity. Makes initial cord packing easier by providing lubrication when packing cord, allowing the cord to glide into the sulcus. Gliding action and applying less force while packing helps reduce the chance of damage to the periodontal ligament. Unique thick gel concentrates the medicament to control bleeding faster and longer. No blackening of tissue. Compatible with all types of retraction cord, medicated or unmedicated. Suitable also for Class V Restorations and compatible with all impression materials. Green in color for easy visibility and placement.