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Every public rating on one cosmetic, the places they disagree kept visible, and a single score whose weighting you control.

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The one rule

We never blend a score that hides who disagrees. Funding model travels with every rating. Weights are computed at read time and never stored.

Cosmetics only · lead with safetyProduct data from public sources incl. Open Beauty Facts & EWG Skin Deep · their ratings never scraped or shown

As an Amazon Associate, Greenlens earns from qualifying purchases. Affiliate income never changes a rating or ranking.Privacy Terms

Kiehl's — every product, every rater | Greenlens

Catalog/Kiehl's

K

Kiehl's

105 products in the catalog

63Fair
avg. across 104 rated products · one axis, not the card composite: 85
products the raters split on

The average covers the ingredient-safety axis only, computed live from each product's raters — never a blended or stored brand score. Open a product to weight the axes yourself.

All products Anti-Aging 6 Body Lotion 5 Body Wash Cleanser 7 Cleanser 6 Conditioner 4 Eye Cream 4 Facial Cleanser 8 Facial Moisturizer Treatment 12 Lip Gloss 5 Serums Essences 12 Sunscreen 4 Toners Astringents 8

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Best overall Worst overall Most contested A–Z

44
Kiehl's
Amino Acid Refillable Conditioner
PoorOverall · your weights
5830
raters split 42–94
Data Robust · 22/22
7 raters · split 42–94 on ingredient safety
ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent94
Greenlens Ingredient ScanIndependent62
Health Canada Ingredient HotlistGovernment85
IARC MonographsGovernment82
Greenlens Precautionary ScreenIndependent42
Cruelty-Free CertificationNonprofit30

Kiehl's

Since 1851 Amino Acid Conditioner (2019 formulation)

PoorOverall · your weights

5830

raters split 42–94

Data Robust · 18/18

7 raters · split 42–94 on ingredient safety

Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent94
Greenlens Ingredient ScanIndependent62
Health Canada Ingredient HotlistGovernment85
IARC MonographsGovernment82
Cruelty-Free CertificationNonprofit30

Amino Acid Conditioner

Kiehl's

Amino Acid Conditioner

PoorOverall · your weights

5730

raters split 42–94

Data Good · 15/18

6 raters · split 42–94 on ingredient safety

ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent94
Greenlens Ingredient ScanIndependent62
Health Canada Ingredient HotlistGovernment85
Greenlens Precautionary ScreenIndependent42
Cruelty-Free CertificationNonprofit30

Hair Conditioner and Grooming Aid Formula 133

Kiehl's

Hair Conditioner and Grooming Aid Formula 133

PoorOverall · your weights

5530

raters split 42–88

Data Robust · 15/15

7 raters · split 42–88 on ingredient safety

ANSES Endocrine DisruptorsGovernment60
EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Tolerance ScreenIndependent88
Greenlens Ingredient ScanIndependent56
Health Canada Ingredient HotlistGovernment85
Greenlens Precautionary ScreenIndependent42
Cruelty-Free CertificationNonprofit30