If you’ve spent any time on social media lately, you’ve likely seen people wearing glowing, futuristic masks that look like something out of a sci-fi flick. No, they aren't auditioning for a role in a space movie, they’re using Red Light Therapy (RLT) . Once a secret weapon used by NASA and high-end dermatologists, RLT has officially hit the mainstream. But does it actually work, or is it just another expensive light show? Let’s shed some light on the situation. What Exactly Is Red Light Therapy? At its core, Red Light Therapy (also known as photobiomodulation) involves exposing the skin to low levels of red or near-infrared light. Unlike the UV rays from the sun that cause damage, these wavelengths are gentle and don't burn the skin. The light penetrates deep into the dermis, where your cells’ power plants—the mitochondria—absorb it. This kickstarts the production of Adenosine Triphosphate (ATP), giving your cells the energy they need to repair themselves and function at their...