The scar softening injection may actually refer to Depo-Provera injection. Depo-Provera injection is a hormone injection, its main ingredient is glucocorticoid, mainly two drugs in a certain ratio, one is betamethasone dipropionate, and another is betamethasone sodium phosphate, these two in the ratio of 5mg and 2mg preparation. After this drug is injected into the scar tissue, it will promote the degeneration of the fibroblasts of the scar tissue into fibroblasts, and even promote the softening of the scar, and part of it will be absorbed, which is still effective within a certain period of time. However, if used for a long time, it may also produce drug resistance.