Working lightsaber ‘the most dangerous laser ever created’
news.nationalpost.com
news.nationalpost.com
That's kind of like claiming you've manufactured the world's first gun when all you have is arrows with bullet-shaped heads.
So unless this company discovered a magical type of ionizing radiation in the visible spectrum, there's major misleading information here. Besides, the laser is powerful enough to cause conflagration of the skin, so there likely wouldn't be enough skin cells left to actually be concerned about getting skin cancer from where the beam touched you.
If it's flaying skin I would say that definitely there could a risk.