Why Your Scalp Psoriasis Gets Worse Every Winter (And the 2-Minute Ritual That Finally Stops It) I remember the exact moment I stopped making excuses. I was at my daughter's wedding rehearsal dinner, wearing a beautiful navy-colored sweater I'd been saving for months. Within an hour, my shoulders looked like I'd been caught in a snowstorm. I spent the rest of the night in the bathroom, brushing off flakes, and just anxious. 25 years I'd been dealing with this. 25 winters of watching the calendar