The video may show this, but here is the distillation of the main issue. Sure wish you’d mentioned you were on chemo when you first asked this question.

chemotherapy can cause cuts to heal slower by weakening the immune system, impairing cell proliferation and collagen production, and interfering with the body's repair processes. The drugs target rapidly dividing cells, which includes the cells needed for wound healing, and can also decrease the number of immune cells like neutrophils and macrophages that fight infection and clear debris from a wound.