Journal

Cover · May 2026

The 40-year science that's finally in your bathroom

RAE Journal · 8 min read

What is red light therapy — and does it
actually work?

Photobiomodulation has been used in hospitals for wound healing for over four decades. We break down what it is, what the peer-reviewed research actually shows, and what results you can realistically expect at home.

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EDITORIAL JOURNAL

Latest Articles

Discover expert skincare insights, routines and science-backed guides.

SKINCARE SCIENCE

What is red light therapy — and does it actually work?

Forty years of clinical research explained simply. Learn what PBM is, what it does and what to realistically expect.

How To

How to build an LED therapy routine that actually sticks

Consistency is the mechanism. Here is how to build a routine you will maintain — and why that matters more than anything else.

Ingredients

The best serums to use after your LED session — by mode

LED therapy temporarily increases skin permeability. The 15-minute window after your session is when your actives work hardest.

SKINCARE SCIENCE

Red light vs near-infrared: what's actually different?

Same device. Different depths. 660nm and 850nm are distinct wavelengths with distinct mechanisms. Here is what each one does.

Skin Health

Is LED light therapy safe for sensitive skin? The honest answer.

LED therapy is one of the most tolerable active treatments available. Here is why — and who should still exercise caution.

Honest Comparisons

LED face mask vs everything else: what's actually worth your money?

LED vs microcurrent vs peels vs laser vs salon sessions. An evidence-based comparison without a predetermined conclusion.

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