Blades aren't "aggressive"
per se. Smoothness is being imparted by the coatings and sputtering applied by the makers. Different blades do have different hone angles as well and it's up to you to find the best blade that mates best with your razor. Prep & technique will aid greatly in determining this once you have your favorite razor selected. Don't always blame a blade for irritation and a bad shave when it might be that you are merely using a razor too aggressive for your beard/face which is usually the case for many new DE shavers (along with poor prep) as they are trying to duplicate a shave like that imparted by a disposable. They are two entirely different beasts. One has "power steering" and the other doesn't.
A common misconception is that some DE blades shave better after a use or two when in reality what is happening is that the blade coating(s) is/are wearing off thereby revealing the "true" edge of the blade which while sharp will deteriorate more rapidly due to wear. How fast that happens depends on the quality of the blade manufacture and it is here where
Gillette almost always buries their competitors as they have R&D'd this not unlike NASA & rockets. The
Voskhod blade mimics a better
Gillette blade to a degree as the maker has "glooped" on old technology
Teflon that quickly erodes revealing it's true inferior edge. I wouldn't try to get seven shaves on one anymore than I'd try to make a hooker my wife for seven days.
Secretary Ramsey put his foot into it yesterday . . . in the course of his remarks he said that California “needs water and better society.” “So does h-ll,” yelled someone in the crowd.