Thanks for your question, and I think I understand why you are asking. There are 1064 wavelength lasers that are designed for hair removal, and other 1064 lasers designed for vascular conditions like spider veins for example, and still others designed for tattoo removal. Any 1064 laser can result in hair loss in the treated region, so that would be on the consent form as a possible side effect. If tattoo removal is the goal, you need to be treated with a laser designed for this specifically. So, wavelength is just one of the physics variables of a laser. There are many others including spot size, pulse duration, cooling, peak power, and more that come into play in determining its designated use. A laser designed for hair removal would likely burn and scar a skin area that contained a tattoo. Best, Lisa Vuich, MD