not sure why you decided to write this all of a sudden considering all the other posts are 6 months old, but you should avoid making personal attacks in your posts because they’re not tolerated here (see Andrea’s comments).
now to address your points:
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you obviously haven’t read many of my posts (there are 2 hair removal forums in total btw, and this is where I post and HELP people for free btw.). The FACT is that getting results is not dependent on areas treated, it depends on who is treating and how (this knowledge includes turning down clients who are not likely to get results in the first place). laser works well in the right circumstances. The more you stray from the perfect combination, the worse your results will be (this includes treating less than ideal types of hair, skin, body areas, etc). what you’re talking about at the end is called marketing and advertising. it doesn’t necessarily have anything to do with how the product actually works, whatever it may be. just because laser is marketed wrong in our capitalist country where everyone’s trying to make a quick buck doesn’t mean that laser hair removal in general doesn’t work for those people who are in fact good candidates (yes, it’s the clinic’s/operator’s fault for telling you that you’re a good candidate when you’re not, but once again, that doesn’t mean that laser doesn’t work in the circumstances for which it was made to work).
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what IS delusional is making statements with such numbers as “90% of the time” etc. it’s useless and it is not helping consumers since they are completely imaginary and not based on any facts.
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18-30 joule range alone doesn’t say anything about effectiveness of your treatments. without a spot size attached to each power setting, it can be a very low setting or a very high setting. there is no way to tell without that crucial information, so those numbers alone don’t mean anything.
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if your MD was in fact very reputable (not sure what you’re basing this opinion on since the only thing you seem to know for sure about him at this point is that he didn’t get you the great results he promised), then he wouldn’t have treated your upper arms and any other areas that didn’t have coarse black hair and very light skin in the first place.
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you obviously haven’t read any of my posts to anyone who’s asked about male facial hair removal, so please once again avoid making false statements. the very first thing i advise is for them to read others’ experiences on this area on this forum so that they know the risks they’re taking, especially since what is definitely clear is that this industry is still not at a point where most people operating lasers know what they’re doing.