I have been using Qtica on my nails for years now. Just bought it on Amazon for the first time to save a couple of bucks. The .05 oz bottle usually lasts about a year. I remove old polish and apply only ONE coat about once a week. It dries instantly (yay!) and gives your nails a clean, natural sheen. Perfect for saving money on manicures. I bring my own bottle of Qtica on the rare visits to the nail salon and have them just put one coat of Qtica on my fingernails (no base or top coat needed). It really helps me to avoid picking at my nails too. Highly recommend!