Environmental

Infrared light (IR-A) on the skin

Environmental factor.

In practice

It depends on the case; there is no single guideline.

Effect by goal · level of evidence

Aging and skin health

no clear effect Low study (A)

Review: it is debated whether infrared light from the sun damages the skin (via collagen/MMP-1) or benefits it. The studies that showed damage used artificial sources not representative of the sun; at real intensities, IR-A could be more beneficial than harmful. No firm conclusion.

View the study (study) →

In depth

Environmental · Highest evidence: Low · 1 finding

Findings

Aging and skin health — no clear effect (Low, study). Review: it is debated whether the sun's infrared light damages the skin (via collagen/MMP-1) or benefits it. The studies that showed damage used artificial sources not representative of the sun; at real-world intensities, IR-A may be more beneficial than harmful. No firm conclusion. 26745730

Information, not medical advice. Prescription drugs require a doctor.

Information, not medical advice. Scientific evidence reflects the quality of the studies.