How LED face masks work, benefits, colors and top devices

Thinking about investing in an LED face mask? Here’s how it works and which dermatologist-approved, top-rated devices are actually worth buying.
The Drive

Here’s How LED Headlight Optics Work

I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...