Hey, I have a hubby that does the same thing. I am so afraid that I will get his pillow case I put a safety pin on his . LOL. Don't want his yucky case. He showers everynight & still his case looks terrible. My favorite color is black, so guess what color our sheets are? Black!!!!! I found this lavender spray at Dollar Tree. Soak his case every morn. Helps. Been dealing with this for 49 yrs. LOL.