As the popularity of laser hair treatment has grown, so too has the number of laser manufacturers. The market is growing so quickly that the Food and Drug Administration, which approves devices for hair removal, has trouble maintaining an up-to-date list. Nonetheless, you can call the FDA or check its web site, provided you know the manufacturer or device name. Be advised that the FDA does not recommend one laser over another, nor does it provide comparisons for the various lasers on the market.
There are a few methods of laser hair treatment and for each method there are various laser products.