Last updated on October 25th, 2023 What is BLT Numbing Cream and how can I use it to elevate my Microneedling Treatments? BLT is a topical numbing agent composed of 20% Benzocaine, 4% Lidocaine, and 2% Tetracaine. Single use BLT packs can be applied to the face or other areas … Continue reading BLT Numbing Cream for Microneedling