Botox relaxes the pillae muscles in the dermis, releasing tension in the skin and thus the tension that pulls on a scar.
Botox has been shown to decrease cytokines/inflammation and improve collagen production
The act of undermining with needle injection or microneedling helps break up tethering fibers of the scar as well, so it is important to also induce a controlled mechanical method of breaking up adhesions.
For multiple scars and deeper acne scars we recommend