u/AdministrationOk9137

this is my sisters shower i had to use this morning, what is all this stuff? it wont just wipe off with a wash towel. whats the best cleaner for it?

edit: you guys are all so amazing and kind! thank you for the help im letting it soak now! (:

SHOUT OUT AMAZING STARBUCKS BARISTAS ALWASY MAKING SURE I GET MY MONEYS WORTH WITH THAT $1.25 COLD FOAM I APPRECIATE IT