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Beauty & Personal Care

by Upper Canada Anti-Stress Clay Bead Sinus Eye Mask, Lavender & Chamomile, Mint

Beauty & Personal Care4.2· 35,909 Amazon ratings

Bias-adjusted across 35,909 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Beauty & Personal Care.

20.1%
Percentile · Global
22.8%
Percentile · Cohort
Beauty & Personal Care
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by Upper Canada Anti-Stress Clay Bead Sinus Eye Mask, Lavender & Chamomile, Mint

How the score was built

Amazon ratings
35,909

used for the Bayesian percentile

Raw star average
4.2 / 5

unadjusted Amazon mean

Bayesian avg
4.20

raw rating shrunk to the category prior

Reviewer-graph z
-0.707

bias-corrected vs. each reviewer's baseline (0 qualifying)

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Same category · Beauty & Personal Care

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