a very positive surprise are the Sensor3 Sensitive disposable razors, this I find only minimally worse than the Mach3 Sensitive. When I come to Sensor3 6-8 shaves, with the favorable sensor 3 to 3-4 shaves thus you can save really money.
I buy no more blade for 4-5 EUR if I disposable razors the half the time deem the piece EUR 1.- get. because as I save still more than 50% (compared to the ProGlide blades). in the Mach3 Sensitive blades save-the other hand, is significantly lower