Working model of the repigmentation pathway. This scheme was reproduced and modified from [48] and is based on data produced in a K14-Steel factor (SLF); Dct-lacZ double transgenic mouse,27 in a non-vitiligo Dct-LacZ+ mouse after wounding or UVB exposure,98 or in C57 black male mice after PUVA,99 and in human vitiligo after NBUVB4 or PUVA treatment,35 or after application of topical Chinese herbal medication.36 DCT, dopachrome tautomerase; DOPA, 3,4-dihydroxyphenylalanine; HF, hair follicle; IE, interfollicular epidermis; INF, infundibulum. Figure 5 was done by the medical illustrator Debbie Maizels.