childrens shower cap
https://ziondcup527.tumblr.com/post/186231631097/how-much-should-you-be-spending-on-toddler-shower
Finally we managed to get rid of those incessant bathtime negotiations and cries. Now my 4 yo is no longer reluctant to have her hair washed and she even enjoys it! For me this visor was a real life (and nerve)