Which Is Better for Blemish Removal? When you’re researching blemish removal, you’ll come across two treatments that keep appearing: cryotherapy and advanced electrolysis (also known as diathermy and electrocautery). Both are widely offered; both work, but they’re genuinely different. After offering cryotherapy in my clinic for several years, I made the deliberate decision to stop using it and focus solely on advanced electrolysis. I want to explain why, and what it means for you as someone trying to choose the right treatment. Cryotherapy works by freezing the blemish, usually using nitrous oxide via a CryoPen or, in some clinical settings, liquid nitrogen. The extreme cold destroys the cells, and over