1, Scar Concealment: In the alar reduction operation by internal cutting, the scar is inside, which is more concealed than that by external cutting.

2. The effect is obvious: external incision is a widely used incision method in alar reduction surgery as of June 5438+February 07, 2023. The external incision has a certain scar rate on the outside of the alar, but only more careful operation can minimize the scar after the alar is reduced.