We understand that which means that the laser has to be more focused and deliver higher energy density.<p>Hair removal products are usually in the 20-50W ranges depending on wavelengths, the lightsaber wannabe hand held lasers are usually in the 500-2000 mW ranges and while those can burn skin and pop balloons they aren&#x27;t powerful enough to burn hair.<p>I just don&#x27;t see them having the technology to make this work, if they had it would have military applications way before shaving ones.<p>Just for size comparison this is a laser used for soft tissue removal 
<a href="https:&#x2F;&#x2F;upload.wikimedia.org&#x2F;wikipedia&#x2F;commons&#x2F;c&#x2F;c7&#x2F;Sharplan_40C.jpg" rel="nofollow">https:&#x2F;&#x2F;upload.wikimedia.org&#x2F;wikipedia&#x2F;commons&#x2F;c&#x2F;c7&#x2F;Sharplan...</a><p>And even it won&#x27;t burn hair because it works on tissue with high water content only.