The verdict spread
Across 42 gurus, the overall verdict is 87% “yay.”
What the gurus are saying
Gurus mostly love LED masks for the long game. They say red light can help with collagen, fine lines and redness, but it works only with steady use, often several times a week for months. Several say it's a bonus rather than a fix, and one with melasma stopped because the light seemed to darken her pigment, so check with a dermatologist first if you have pigment concerns.