When we talk about phenol peels, we're referring to a mixture of liquid phenol (carbolic acid), croton oil, alongside other components. It's an irritating substance so it isn't an ingredient used ...

This protocol was adapted from “Purification of RNA from Cells and Tissues by Acid Phenol-Guanidinium Thiocyanate-Chloroform Extraction,” in Molecular Cloning: A Laboratory Manual (eds.