Can you create a hanging columella with injections? (Photo)

I had rhinoplasty about 6 months ago in Korea. The doctor used donated dermis for my bridge and septal + ear cartilage for my tip. Long story short: I want my columella to hang more and get a nice infratip. So that my nose looks more natural. My doctor said he could do that with dermis filler. But I couldn't find anything about dermis filler online. Another doctor told me that an operation would be necessary to create a hanging columella. I need more advice. Please help me!