Page Six may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. When it comes to skin care, doctor knows best. When a dermatologist-founded beauty brand relaunches a product, it’s based on years of scientific research. Case in point? Dr. Brandt’s new third-generation Oxygen Facial Mask, which targets dullness, dehydration and fatigue in minutes. If you’ve been to a spa for an oxygen facial, you’re already familiar with the benefits, including visibly revived, energized skin. However, the latest reformulation, dubbed “Oxygen in a Bottle,” lets you achieve…