As previously mentioned, IFN‐γ‐CXCL9/CXCL10‐CXCR3 axis is indispensable in the killing of melanocytes by the CD8+ T cells, and compromising the axis was effective in halting vitiligo progression and facilitating repigmentation.122, 144, 225. This evidence concerns the gene CXCL10 and vitiligo.