No. 128 in skincare

La Roche-Posay Hyalu B5 Pure Hyaluronic Acid Serum

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47% would recommend

32 redditors · 0 threads · 0 subs
95% CI: 29–67%
★4.6 on Amazon (35,118 reviews)

48%

43%

Positive 11 Neutral 10 Negative 2

Why we ranked it No. 128 in skincare

Sample 32 redditors with explicit opinion · 11 positive · 2 negative · 10 neutral

Score0.570 — formula: 0.75 × % positive + 0.25 × pos/neg ratio

Confidence95% CI: 29–67% · the true approval rate falls in this range with 95% statistical confidence

Verdict Polarizing — Threshold-based label from our methodology.

Sources —

La Roche-Posay · skincare

Polarizing

Hyalu B5 Pure Hyaluronic Acid Serum

Name: Hyalu B5 Pure Hyaluronic Acid Serum
Brand: La Roche-Posay
Rating: 4.6 (35118 reviews)

redditors mentioned this 23 opinions rated · 47% positive · 0 threads · 0 subreddits Reddit data: 2023–2026 · how we collected this →

TL;DR — Reddit consensus

Hyaluronic acid + vitamin B5 + madecassoside serum. Reddit recommends as the premium step-up from Vichy Mineral 89.

Amazon vs Reddit

Amazon loves it. Reddit isn't sold.

On Amazon: ★4.6 from 35,118 reviews — that's roughly 90% positive. On Reddit: 47% of 32 redditors recommend it. The gap of 42 points is unusual and worth reading the cons before you buy.

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