CAV1 and hidradenitis suppurativa: The pathophysiology of psoriasis and hidradenitis suppurativa (as well as of some other inflammatory skin conditions), along with acute and chronic wounds and skin aging, was recently linked to the signaling protein caveolin‐1 (CAV1)–the main structural component of caveolae, which are plasma membrane invaginations forming nanodomains with a typical size of 50–100 nm.