Shelly Marshall on Instagram: "Do you work harder when you have a personal trainer or a class instructor to help you exercise? Does it help motivate you to show up more to class? Hello, My name is Shelly. I’m a former nurse injector turned holistic esthetician, specializing in facial fitness. I teach people how to move and touch their face. I’m the creator of the Skin Within Studio which is an online space with ritual style classes in facial massage, face yoga, facial reflexology and…