Dermatologists and skin care experts explain how at home LED face masks really work, which wavelengths matter most, and what to look for before you invest in a mask.

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

Collectively, we’ll do just about anything for a better complexion: apply expensive creams and serums, get botox, experiment with beef tallow and so on and so forth. Brands know this, and, as such, ...