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Laser Shaving?

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Hey everyone!

So I was shaving the other day, and thinking about lasers (isn't that what everyone thinks about while shaving?), and I thought about laser hair removal. So, some questions came to mind.

1. What output power do they use for laser hair removal?




Answered Questions!


2. Does laser hair removal burn your skin? - Answered by ultimatekaiser!

I think they use a special low power pulsed Nd:YAG laser or something like that. (IR and absorbed in water to prevent burns) and I do believe it is permanent, as it destroys the hair follicles.



3. Is laser hair removal permanent? - Answered by ultimatekaiser!

I think they use a special low power pulsed Nd:YAG laser or something like that. (IR and absorbed in water to prevent burns) and I do believe it is permanent, as it destroys the hair follicles.



4. Has anyone here lost hair while playing with their lasers? Whether it be an eyebrow, or a slash of missing hair across your arm. - Answered by Sigurthr!

I've done it inadvertently to my arm with my 15W CO2 laser. It was NOT a pleasant experience. Luckily the beam was diverged enough to not give me a bad burn. Totally vaporized the hairs.



5. Is laser light harmful to your skin? - Answered by CheeseHasLeafs!

Laser light is no more, and no less harmful than 'ordinary' light. If there was a deep UV laser it'd be just as damaging as UV light, and if there was a green laser it'd be just as harmless as, well, green light. The only hazard that might come from laser light that is not present in 'ordinary' light is that lasers can be focused and directed and cause burns easier.



:lasergun:
"Alright Cody. I want you to shave me, on three. 1, 2, ..."




Note: This thread serves no purpose, aside from filling a sense of curiosity and boredom I have, waiting for my laser to get shipped. :beer:​
 
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Not sure about 1-4, but I think I can offer something on 5.

Laser light is no more, and no less harmful that 'ordinary' light. If there was a deep UV laser it'd be just as damaging as UV light, and if there was a green laser it'd be just as harmless as, well, green light. The only hazard that might come from laser light that is not present in 'ordinary' light is that lasers can be focused and directed and cause burns easier.
 
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If I'm *very* precise I can remove hair from my arm with a 1.4 Watt 445. Its less cutting though and more singing it away. I imagine though if I felt so inclined I could hold out a length of my hair from the top of my head and "cut" it. The smell of burning hair would be pretty bad though.
 

ultimatekaiser

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I think they use a special low power pulsed Nd:YAG laser or something like that. (IR and absorbed in water to prevent burns) and I do believe it is permanent, as it destroys the hair follicles.
 
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Photonz

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I don't know what kind of laser they use but I know that the light is absorbed by the pigment in the hair follicle which damages it enough to inhibit further growth.
 

Hap

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Im sure a razor like that be coming out soon sadly, nice video though :)

PS: If a laser was that strong to burn hair, imagine what a 1 second reflection could do to your eye. Would they provide goggles? :undecided:
 
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Sigurthr

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I've done it inadvertently to my arm with my 15W CO2 laser. It was NOT a pleasant experience. Luckily the beam was diverged enough to not give me a bad burn. Totally vaporized the hairs.
 




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