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ErCr:YSGG lasers used in the treatment of a variety of skin diseases, including scars, discoloration, and blemishes. These lasers are appropriate for dermal procedures due to the high absorption of its midinfrared (i.e., frequencies around 3 um) energy by tissue water. Some devices combine the effect of an air or water spray with the laser delivery to reduce pain and thermal effects on the skin.
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