A eutectic mixture of lidocaine/tetracaine (7%/7%) for topical skin anesthesia is now available for prescription in Canada. The product, Pliaglis from Crescita Therapeutics Inc., provides analgesia for dermatologic procedures within 30 minutes of application. The product dries in that time and can then be peeled off the site of application, leaving no residue or mess behind. Clinical studies, linked to below, and other information is summarized in these videos.
Further reading:
Facial Plastic Surgery (2014; 30(02):152-156) https://www.thieme-connect.com/products/ejournals/abstract/10.1055/s-0034-1371897 Journal of Drugs in Dermatology (Apr. 1, 2018; 17(4):413-418) https://jddonline.com/articles/dermatology/S1545961618P0413X Dermatologic Surgery Nov. 2002; 28(11):1004-1006; discussion 1006 https://insights.ovid.com/pubmed?pmid=12460293