Ferndale Laboratories LMX4 Topical Anesthetic Cream 15g, 4% Lidocaine - Case of 12Ferndale Laboratories LMX4 Topical Anesthetic Cream 15g, 4% Lidocaine, For All Skin TypeLMX4 is indicated for "Topical anesthesia of intact skin prior to superficial skin procedures including IV cannulation and blood sampling. LMX4 can help alleviate pain and discomfort associated with cosmetic treatments. LMX4 is a safe and effective Anesthetic cream1 2 . LMX4 can be used prior to tattooing to alleviate pain and discomfort. Low incidence of Erythema.