[header] How to prevent ingrown hairs on the pubic area [title] Use a sharp, single-blade razor to shave. [step] One of the biggest mistakes you can make when shaving your pubic area, is to use a dull blade. Use a razor that is sharp enough to cut the hair without having to go over it again and again. 
[substeps] Depending on how often you shave, you may need to replace your blade every month or so. Some people switch out blades after five uses, but determine what works best for you.