John Stamos Wears Bald Cap on Head as Dave Coulier Battles Cancer

John Stamos is showing “solidarity” amid Full House costar Dave Coulier’s cancer battle.

Stamos, 61,

on Monday, November 18, to share photos in which the actors smiled together, both revealing their bald heads. Stamos’ head, however, was a product of prosthetics — and some skilled editing. 

“Nothing like throwing on a bald cap and flexing some Photoshop skills to…