Sample
17 redditors with explicit opinion · 12 positive · 4 negative · 1 neutral
Score
0.717 — formula: 0.75 × % positive + 0.25 × pos/neg ratio
Confidence95% CI: 47–87% · the true approval rate falls in this range with 95% statistical confidence
Verdict
Highly Recommended — ≥65% positive across ≥7 redditors.
Sources
r/30PlusSkinCare, r/redlighttherapy