Is growth of the fibro-fatty tissue in the nose tip something that happens to some people over time?

I am Asian with thick skin and I know there is some amount of fibrofatty tissue in my nose and nose tip, but for about 2 years now my nose tip has looked persistently more bulbous than before. Is it possible that the fatty tissue has grown thicker? Also, after rhinoplasty and tip defatting, will the fatty tissue grow back? Thank you