Sock-It Hydrogel Wound Dressing 10g Syringes. Approved by the FDA for management of oral wounds. Drug-free, all-natural, non-toxic. Provides fast, constant pain relief without causing a numb sensation. Protects from chemical and microbial contamination. Promotes optimal wound healing. After professional application in the office, it is sent home with the patient to use as often as needed for safe, continuous pain relief and wound management