As the tint fades, it often becomes purplish — a clear sign that the film isn't functioning correctly. So, a faded film may let in more light and heat instead of protecting you from UV rays.

What You Can Do About the Purple Tint Created by Your Blue-Light Blocking Glasses Digital relief glasses, aka blue-light blocking glasses create a purple reflection for most wearers. Here's what ...

Dr. Idriss’s Major Fade Disco Block SPF 50 is a purple skin tint that revitalized an editor’s complexion. It has wrinkle fading and skin brightening benefits thanks to ceramides and peptides.