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Q&A Is the combination of water and medical skin laser dangerous?

I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil" This argument doesn't make much sense. First, your insides are a...

posted 3y ago by Olin Lathrop‭  ·  edited 3y ago by Olin Lathrop‭

Answer
#3: Post edited by user avatar Olin Lathrop‭ · 2021-03-17T14:39:52Z (over 3 years ago)
  • <blockquote>I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil"</blockquote>
  • This argument doesn't make much sense. First, your insides are already substantially water. Injecting a little bit of water-based liquid isn't going to change how much water is under your skin, at least not for very long. Water in your body moves around rather easily, and much of it is even deliberately circulated.
  • Most likely the reason for using topical creams instead of injections is to keep the medications local. That obviously limits unwanted secondary effects, but also allows for less overall medication, which again limits side effects.
  • Second, the laser doesn't penetrate far beyond the skin surface. Most of the water, whether recently injected or not, is below where the laser reaches.
  • <blockquote>I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil"</blockquote>
  • This argument doesn't make much sense. First, your insides are already substantially water. Injecting a little bit of water-based liquid isn't going to change how much water is under your skin, at least not for very long. Water in your body moves around rather easily, and much of it is even deliberately circulated.
  • Second, the laser doesn't penetrate far beyond the skin surface. Most of the water, whether recently injected or not, is below where the laser reaches.
  • Most likely the reason for using topical creams instead of injections is to keep the medications local. That obviously limits unwanted secondary effects, but also allows for less overall medication, which again limits side effects.
#2: Post edited by user avatar Olin Lathrop‭ · 2021-03-17T14:38:54Z (over 3 years ago)
  • <blockquote>I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil"</blockquote>
  • This argument doesn't make much sense. First, your insides are already substantially water. Injecting a little bit of water-based liquid isn't going to change how much water is under your skin, at least not for very long. Water in your body moves around rather easily, and much of it is even deliberately circulated.
  • Most likely the reason for using topical creams instead of injections is to keep the medications local. That obviously limits unwanted secondary effects, but also allows for less overall medication, which again limits side effects.
  • <blockquote>I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil"</blockquote>
  • This argument doesn't make much sense. First, your insides are already substantially water. Injecting a little bit of water-based liquid isn't going to change how much water is under your skin, at least not for very long. Water in your body moves around rather easily, and much of it is even deliberately circulated.
  • Most likely the reason for using topical creams instead of injections is to keep the medications local. That obviously limits unwanted secondary effects, but also allows for less overall medication, which again limits side effects.
  • Second, the laser doesn't penetrate far beyond the skin surface. Most of the water, whether recently injected or not, is below where the laser reaches.
#1: Initial revision by user avatar Olin Lathrop‭ · 2021-03-17T14:33:00Z (over 3 years ago)
<blockquote>I speculate that because laser is heat and too much water especially with big/round laser beams can cause injected water to "boil"</blockquote>

This argument doesn't make much sense.  First, your insides are already substantially water.  Injecting a little bit of water-based liquid isn't going to change how much water is under your skin, at least not for very long.  Water in your body moves around rather easily, and much of it is even deliberately circulated.

Most likely the reason for using topical creams instead of injections is to keep the medications local.  That obviously limits unwanted secondary effects, but also allows for less overall medication, which again limits side effects.