CXCL1 and bathing suit ichthyosis: Both CXCL8 and CXCL1 were significantly increased in patients with BSI compared to those without BSI (87.5 pg/ml (2.1–7640) vs. 18.2 pg/ml (1.5–2117.1), p < 0.0001 and 216.2 pg/ml (4.2–12,114.2) vs. 24.2 pg/ml (4.2–1726.3), p < 0.0001, respectively).