How Long Does It Take for Skin to Grow Back to Cover Nose and Scar to Reduce?

Alar Base Reduction. I have Narrowing Wide Nose & Nostrils to make it look smaller. After remove stitch from my nose, my skin does not seem to grow back to cover my nose hump and the scar from incision look so visible. it is already 1 month from surgery procedure. I want to know when will it heal? how long does it take to grow skin back? my nose hump is red purple color. thank you