The Science

Plain-English summaries of published, peer-reviewed research on light therapy, what was studied, on whom, and what was measured.

All articles

9 articles

Mechanisms• 4 min read

The evidence, ranked: what the research actually supports

Skin• 2 min read

Jagdeo et al. (2020): how much red light is too much?

Mechanisms• 2 min read

Barrett & Gonzalez-Lima (2013): 1064nm light and the brain

Skin• 2 min read

Papageorgiou et al. (2000): blue and red light, 107 patients, 12 weeks

Mechanisms• 2 min read

de Freitas & Hamblin (2016): how light is thought to work

Body• 2 min read

Leal-Junior et al. (2015): the muscle meta-analysis

Hair• 2 min read

The Lanzafame hair trials (2013–2014): men and women, counted

Skin• 2 min read

Avci et al. (2013): the review that mapped light in dermatology

Skin• 2 min read

Wunsch & Matuschka (2014): the 136-person skin trial

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