I avoided these blades for so long because of my experience with Persona Reds. The reds just might be the worst blade for me. The Med Preps however are my new go to blade I absolutely love them in every way. Sharp, Smooth, long lasting. I had 6 comfortable shaves with the Med Prep. I usually get 4 or so out of most blades I have tried. The lab was almost as good, maybe not quite as sharp and the 6 shave on it was less than comfortable. Both blades are going into my buy more list. Along with Gillette 7'Oclock Black packs, Perma sharp supers, and Bolzano.