Sample
31 redditors with explicit opinion · 5 positive · 1 negative · 0 neutral
Score
0.555 — formula: 0.75 × % positive + 0.25 × pos/neg ratio
Confidence95% CI: 44–97% · the true approval rate falls in this range with 95% statistical confidence
Verdict
Recommended — ≥50% positive. Mixed but more good than bad.
Sources
r/tretinoin, r/SkincareAddictionUK, r/SkincareAddiction, r/AsianBeauty, r/acne