What Is It?
Heat therapy is an unproven therapy that is advertised to work by killing bacteria in the skin and promoting healing.
Efficacy
Strength of Evidence
Average 63% reduction in acne after 6 sessions
Side Effects
Low
Low side effects and adverse reactions
Acne.org's Real World Take
Based on many people's experiences here on Acne.org, heat therapy doesn't seem to help whatsoever. In fact, it sometimes makes a lesion more noticeable. Most companies have stopped making the devices.