ELISA for CCL2 performed on total back skin treated with IMQ. (n= 5-14; 2 independent experiments). Data information: Data are shown as mean ± SEM. P‐values were calculated by multiple t-test with Tukey (D multiple comparison test. Statistical significance: ns > 0.05, *P < 0.05, **P < 0.01, ***P < 0.001, **** P < 0.0001. See Appendix Table S3 for exact P‐values. 