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Health, Household & Baby

Pennyroyal Essential Oil (Mentha Pulegium) 100% Pure and Natural - 10 ML

Health, Household & Baby4.0· 17,256 Amazon ratings

Bias-adjusted across 17,256 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Health, Household & Baby.

8.9%
Percentile · Global
7.5%
Percentile · Cohort
Health, Household & Baby
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Pennyroyal Essential Oil (Mentha Pulegium) 100% Pure and Natural - 10 ML

How the score was built

Amazon ratings
17,256

used for the Bayesian percentile

Raw star average
4.0 / 5

unadjusted Amazon mean

Bayesian avg
4.00

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 · Health, Household & Baby

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