The anhydrous alcohol injection induced the dermal fibrotic model. (A) Visual inspection of the normal rabbit skin (NS) and dermal scar characteristic 15, 30, 60, 90 days after injection. The last one is human hypertrophic scar (HS) on jaw. Panel B and C, respectively, corresponds to H&E and Masson's trichrome stain in panel A. (Scale bar = 100 μm. Yellow arrows represent adnexal structures, black arrows represent immune cells, double‐line arrows represent the thickened epidermis, red arrows represent blood vessels)