Can I get a haircut with stitches on my hairline near my temple without getting it infected?

You can lower your hairline with surgery but to understand how it may actually look or to understand realistic expectations, you need to see a doctor in person and have this conversation

Male patients are not good candidates for a forehead reduction surgery.  With normal hair loss and hair line recession over time, the scar may become visible.  A hair transplant is much safer for male patients, and a lower hairline can be created with hair grafts.  I would recommend spea...

If you are considering a cosmetic surgery it would be in your interest to see a doctor for an examination to make sure you would be a candidate.  Nobody "needs" a forehead reduction surgery.  This is an elective cosmetic surgery.