Sample
13 redditors with explicit opinion · 8 positive · 3 negative · 2 neutral
Score
0.643 — formula: 0.75 × % positive + 0.25 × pos/neg ratio
Confidence95% CI: 36–82% · 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/AsianBeauty, r/asianbeautyexchange, r/AsianBeautyExchange, r/tretinoin