Is the Tria Skin Rejuvenating Laser Strong Enough to Be Likely to Have Much Effect?

Its specs: Charging Cradle: 100-240 VAC at 50-60Hz, 0.2 A max Laser Output: Class 1M, 1440nm, 12mJ/pulse max How do Fraxel Repair and/or Restore lasers compare? How powerful do lasers need to be to get what kind of result? Is a less powerful laser still likely to be effective on thinner skin (e.g., skin around eyes)? Could a less powerful laser still end up with a similar effect as a stronger laser with repeated use (i.e., just takes more treatments to get to a similar result)? Thanks!

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