KITLG and vitiligo: To investigate whether CCL17 is critical for depigmentation, we adoptively transferred CFP‐PMEL CD8+ T cells into wild type (WT) or CCL17‐deficient (CCL17−/−) KRT14‐Kitl*4XTG2Bjl (Krt14‐Kitl*) mice to induce vitiligo.