After testing nine LED masks for at least eight months (and in some cases, up to two years), our beauty team deemed Solawave’s Wrinkle Retreat Pro the best flexible LED face mask. While addressing fine lines and wrinkles, its lightweight and soft design fits comfortably on your face. And although there aren’t any active Solawave discount codes this week, there are still ways to save on the brand’s anti-aging skincare technology.