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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

4U by Tia — every product, every rater | Greenlens

Catalog/4U by Tia

4B

4U by Tia

16 products in the catalog

56Fair
avg. across 16 rated products · one axis, not the card composite: 16
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 Hair Styling Aid 4 Shampoo 4 Styling 4

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Best overall Worst overall Most contested A–Z

59
4U by Tia
Curl Refresher Mist
FairIngredient safety only
59
raters split 42–100
Data Robust · 17/17
7 raters · split 42–100 on ingredient safety
ANSES Endocrine DisruptorsGovernment80
EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Tolerance ScreenIndependent100
Greenlens Ingredient ScanIndependent62
Health Canada Ingredient HotlistGovernment85
IARC MonographsGovernment82
Greenlens Precautionary ScreenIndependent42

Curl Refresher Mist, Rosemary + Hemi15

4U by Tia

Curl Refresher Mist, Rosemary + Hemi15

FairIngredient safety only

59

raters split 42–100

Data Robust · 17/17

7 raters · split 42–100 on ingredient safety

ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent100
EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent62
Health Canada Ingredient HotlistGovernment85
IARC MonographsGovernment82
Greenlens Precautionary ScreenIndependent42

Curl Defining Gel with Aloe Vera and Hemi15

4U by Tia

Curl Defining Gel with Aloe Vera and Hemi15

PoorIngredient safety only

53

raters split 40–94

Data Robust · 26/27

7 raters · split 40–94 on ingredient safety

Greenlens Ingredient ScanIndependent62
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment40
EU Harmonised Classification (CLP Annex VI)Government60
Greenlens Tolerance ScreenIndependent94
Health Canada Ingredient HotlistGovernment85
IARC MonographsGovernment82

4U by Tia

Leave in Curl Cream

PoorIngredient safety only

53

raters split 40–100

Data Robust · 24/25

6 raters · split 40–100 on ingredient safety

Greenlens Ingredient ScanIndependent62
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment40
EU Harmonised Classification (CLP Annex VI)Government70
Greenlens Tolerance ScreenIndependent100
Health Canada Ingredient HotlistGovernment85