Hi there,The question of what to do here likely would involve a personal examination. As, the answer depends upon the composition of the thickness. Also, I am assuming here that you're quite comfortable to leave the rest of the nose unaltered. If it's bone (i don't think it is) - then a closed nasal vault rhinoplasty can narrow it. Pretty simple.If it's fat / skin - then it can be thinned via internal (closed) incisions. I doubt it's fat.If it's muscle (and I think it most likely is nasalis muscle hypertrophy) then it can readily be treated with botox, non surgically. It would need say 5 units of botox per side probably every 6 months or so. An excellent solution, not expensive, reversible, and over time as the muscle bulk lessened, then less rather than more botox is needed. Essentially riskless.One thing to note: If it is muscle, and it is removed or paralysed, it might impact on your breathing. The nasalis muscle has a function. Google it and learn about the muscle, and it's function.All the very bestHoward WebsterPlastic surgeon