I used to use the Gillette Mach and Fusion. But they are expensive and tend to clog. I switch to Dorco available at Amazon. They function about the same but are about 1/3 cheaper. Recently I switched to the Costco Kirkland brand. They are half the price as Dorco, last as long and no clogging. The only thing the Costco ones don't have the the edge blade for cleaning under your nose but I keep a few Dorco around for that.