You’ve probably seen it on shelves or heard it on the lips of beauty experts, but what exactly is “ingestible skincare” and how is it different from all the supplements and vitamins out there that promise translucent skin and thick, glossy hair? To satisfy your curiosity, we spoke to two leaders in the ingestible beauty industry, WelleCo and The Beauty Chef, as well as nutritionist Lorraine Kearney to tackle your biggest questions before you reach out for your first sip.