Razor recommended for 30 generations

I recommend three pieces of .4 pieces of blades to 30s
The feature is that the unit price of the razor is relatively reasonable and is kind to skin
In the sensitive one, the area to skin has a gentle four pieces of blades with many blades
I give water well, and let's begin with the order taking the tonsure from cheeks to the chin bottom
Let's do it by two weeks at the exchange time of the spare blade