How Do Frownies Work? Facial muscle contractions create dynamic lines on your face when you create facial expressions. Over time these repeated facial movements can lead to the formation of static wrinkles in the skin including fine lines and deep wrinkles. Once applied Frownies Facial Patches harden to act similar to a splint or a cast to limit expressive facial movements and soften the appearance of static lines caused by repeated facial expressions. Can Wrinkles be reversed without injections? Frownies Facial Patches act as a splint or cast to limit facial movements and smooth the appearance of static expression lines and existing wrinkles. Like a new exercise routine the best results come with time.