Many folks bathe no less than as soon as a day. Here, a dermatologist explains what water and cleaning soap do to the pores and skin and which detergents she recommends.
https://www.spiegel.de/wissenschaft/medizin/mikrobiom-ist-haeufiges-duschen-schlecht-fuer-die-haut-a-c6443f24-52e0-4b91-aa38-07b2d3126fb7#ref=rss