Some corrosives, such as nitric acid and concentrated sulfuric acid, are strong oxidizing agents as well, which significantly contributes to the extra damage caused.
The second and more common method uses potatoes or sweet potatoes as the starch source, and added acid, such as hydrochloric, sulfuric or nitric acids.
Other cellular regulators are participate are the intracellular calcium concentration modified by phospholipase, nitric acid, and other growth factors.
