I haven't had ingrowing hairs since I switch to a Merker razor with Feather (Japanese) blades. You have to be very light handed, mind.
Blades cost $0.25 each and I use about 10 a year.
Blades cost $0.25 each and I use about 10 a year.
Much better than $15/mo I was spending for cartridge razors. I’ll never go back.