Collagen breakdown in skin leads to squintier eyes & potato head effect... on me now! As I examine more pictures of myself at year's end, I'm quite shocked at the difference between 50 and 66. At 50, I still had that early-life look but somewhere between then and now at 66, I crossed over into the old-man zone! Collagen breakdown seems to be the problem as I could not avoid the potato head look after all.