Hello, I have these red little bumps behind my legs after I shave. Is it the lotion or the shaver? Or maybe my skin? Another question, I'm very curious about. What if I have like an acne problem on my buttocks like red little bumps? Could it be fro

Folliculitis. Shaving with a dull razor or shaving without lubricant can cause the base of the hairs to get pulled slightly out of the shaft, causing redness and irritation. Using hypoallergenic soaps or shave creams and applying moisturizers after shaving can help reduce this. Similar bumps can appear on parts of the body that constantly rub against tight clothing.