Sample
84 redditors with explicit opinion · 16 positive · 2 negative · 0 neutral
Score0.889 — formula: 0.75 × % positive + 0.25 × pos/neg ratio
Confidence95% CI: 67–97% · the true approval rate falls in this range with 95% statistical confidence
Verdict
Recommended — ≥50% positive. Mixed but more good than bad.
Sources
r/KoreanBeauty, r/tretinoin