@kts_office_: KTS Antifungal Laser Device is expensive $79 might sound expensive for someone. Yes, you can find cheaper solutions on the market. But not like KTS. KTS Antifungal Laser Device is an individual product on the market - it's our own development and everything is based on the feedback of our customers. This is the only at-home antifungal laser treatment, with 3 diodes that destroys the fungus from your nails. Unlike oils and creams, it penetrates every layer of your nail. It not only kills fungus from the outside but also the inside. We designed it for the best user experience, so it's not only painless, but you won't suffer from any side effects! If you or someone you know has nail fungus, don't believe the myths! There are effective treatments available that can help clear up the infection.