Rankquant
MethodologyAbout

Beauty & Personal Care

Sphagnum Botanicals Psoriasis Shampoo - Flaky & Itchy Scalp Treatment with Salicylic Acid and Natural Peat Mud. Helps with Anti Dandruff and Eczema. No Coal Tar 8.45 fl oz

Beauty & Personal Care4.1· 812 Amazon ratings

Bias-adjusted across 812 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Beauty & Personal Care.

14.9%
Percentile · Global
18.0%
Percentile · Cohort
Beauty & Personal Care
View on Amazon

Amazon Associates link · as an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

Sphagnum Botanicals Psoriasis Shampoo - Flaky & Itchy Scalp Treatment with Salicylic Acid and Natural Peat Mud. Helps with Anti Dandruff and Eczema. No Coal Tar 8.45 fl oz

How the score was built

Amazon ratings
812

used for the Bayesian percentile

Raw star average
4.1 / 5

unadjusted Amazon mean

Bayesian avg
4.12

raw rating shrunk to the category prior

Buy it: View on Amazon →

Same category · Beauty & Personal Care

Similar products