BioLab Anti Fungus Blue Light Laser Pen is the world's first at-home treatment for toenail fungus that uses technology to fight back against your fungal infection. It penetrates the infected nail plate and locks in pathogenic pathogens on the nail bed with a wavelength of 415 nm blue energy, while combining 905nm infrared pulsed laser radiation (which studies show has antifungal properties)that creates a synergistic effect that can kill onychomycosis without affecting or damaging surrounding tissues. The BioLab Anti Fungus Blue Light Laser Pen is a simple, easy-to-use device that will blast those embarrassing toenails of yours with an intense blue light that will kill the fungus on contact. No more stinky feet for you! It's painless, safe, and effectivejust shine it on your infected nails for up to 15 minutes each day until they're clear! So if you're tired of looking at those gross yellow spots on your nails and want something easy that'll get rid of them fastlook no further than Biolab Anti-Fungus Blue Light Laser Pen! Get yours today! OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.