Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Participant's global assessment of improvement Non‐standardised scale5 · Mild, moderate and severe acne vulgaris

1 finding from 1 review

Light therapies for acne 2016 · Cochrane Headline outcomes only
no estimate extracted
23 studies · 1033 participants
Very low