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Beauty & Personal Care

GrandeHAIR Peptide Shampoo and Conditioner, Thinning Hair Solution, Promotes Thickness and Prevents Hair Loss, Safe for Color Treated Hair, Cruelty Free, 8 oz.

Beauty & Personal Care4.5· 103 Amazon ratings

Bias-adjusted across 103 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Beauty & Personal Care.

72.9%
Percentile · Global
71.7%
Percentile · Cohort
Beauty & Personal Care
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GrandeHAIR Peptide Shampoo and Conditioner, Thinning Hair Solution, Promotes Thickness and Prevents Hair Loss, Safe for Color Treated Hair, Cruelty Free, 8 oz.

How the score was built

Amazon ratings
103

used for the Bayesian percentile

Raw star average
4.5 / 5

unadjusted Amazon mean

Bayesian avg
4.40

raw rating shrunk to the category prior

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Same category · Beauty & Personal Care

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