Zeno is a hand-help battery operated device designed with a tip that heats to a pre-set temperature and stimulates a heat-shock response in the acne causing bacteria that causes 90% of acne blemishes. Zeno does not work quite as well as Acnexus or Juliets 75-day acne kit and didn’t even come close to Bruunhause acne gel in overall power but was still one of the more effective products we reviewed. Unfortunately it is expensive and the replacement tips are costly too. There are far better overall values than Zeno but it’s still a good product. Click here to buy Zeno at the best internet price or keep reading to see which product rated even higher…