Originally Posted by clavus

Feh! I've been shaving against the grain for years, and I still have the grain.

I use a 3-blade razor and warm water. No shaving cream. Just step up to the mirror and start scratching it off. This may come as a surprise to you, given that I can give myself near-fatal injuries with most common household items, but I almost never, (like once every six months) cut myself shaving. After shaving, I put on aftershave. No ingrown hair problems.