Caustic Pencil 95% 1'sA caustic pencil that is 95% concentrated refers to a chemical solution used to burn or destroy small tissues or skin growths. It typically contains a high concentration of silver nitrate, which is highly corrosive and capable of cauterizing or destroying tissue upon contact. Caustic pencils are often used for the treatment of warts, calluses, and skin tags, among other minor skin issues. However, it is important to note that caustic pencils should