Browse In your home Methodology Ask Sonion

Greenlens

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

Navigate

Browse
In your home
Ask Sonion
Methodology
Criteria
Extension
How scoring works
Account

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

Bleach London — every product, every rater | Greenlens

Catalog/Bleach London

BL

Bleach London

32 products in the catalog

50Poor
avg. across 32 rated products · one axis, not the card composite: 32
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 Color And Bleaching 21 Shampoo 6 Styling 21

Sort

Best overall Worst overall Most contested A–Z

73
Bleach London
Slime Light Super Cool Colour
GoodOverall · your weights
5788
raters split 42–88
Data Robust · 13/13
7 raters · split 42–88 on ingredient safety
EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent62
ANSES Endocrine DisruptorsGovernment80
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent88
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

The Big Pink Super Cool Colour

Bleach London

The Big Pink Super Cool Colour

GoodOverall · your weights

5688

raters split 42–85

Data Robust · 15/15

7 raters · split 42–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent52
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent82
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Ros Super Cool Colour

Bleach London

Ros Super Cool Colour

GoodOverall · your weights

5688

raters split 42–88

Data Robust · 13/13

7 raters · split 42–88 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent59
Greenlens Tolerance ScreenIndependent88
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Rose Super Cool Colour

Bleach London

Rose Super Cool Colour

GoodOverall · your weights

5688

raters split 42–88

Data Robust · 13/13

7 raters · split 42–88 on ingredient safety

ANSES Endocrine DisruptorsGovernment60
Health Canada Ingredient HotlistGovernment85
EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent59
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent88
Open Beauty Facts CertificationsNonprofit88

Blue Weekend Super Cool Colour

Bleach London

Blue Weekend Super Cool Colour

GoodOverall · your weights

5588

raters split 42–90

Data Robust · 17/17

6 raters · split 42–90 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Precautionary ScreenIndependent42
Greenlens Ingredient ScanIndependent45
Greenlens Tolerance ScreenIndependent76
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Washed Up Mermaid Super Cool Colour

Bleach London

Washed Up Mermaid Super Cool Colour

GoodOverall · your weights

5488

raters split 42–85

Data Robust · 14/14

7 raters · split 42–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent49
Greenlens Tolerance ScreenIndependent82
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

I Saw Red Super Cool Colour

Bleach London

I Saw Red Super Cool Colour

GoodOverall · your weights

5488

raters split 42–85

Data Robust · 14/14

7 raters · split 42–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent49
Greenlens Tolerance ScreenIndependent82
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Shampoo, Pearlescent

Bleach London

Shampoo, Pearlescent

GoodOverall · your weights

5488

raters split 42–90

Data Robust · 21/21

7 raters · split 42–90 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent42
Greenlens Tolerance ScreenIndependent76
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Conditioner, Pearlescent

Bleach London

Conditioner, Pearlescent

GoodOverall · your weights

5488

raters split 42–85

Data Robust · 24/24

6 raters · split 42–85 on ingredient safety

Greenlens Ingredient ScanIndependent45
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment80
Greenlens Tolerance ScreenIndependent76
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Tangerine Dream Super Cool Colour

Bleach London

Tangerine Dream Super Cool Colour

GoodOverall · your weights

5488

raters split 42–85

Data Robust · 14/14

7 raters · split 42–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent49
Greenlens Tolerance ScreenIndependent82
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Just Like Honey. Super Cool Colour

Bleach London

Just Like Honey. Super Cool Colour

GoodOverall · your weights

5388

raters split 42–90

Data Robust · 16/16

5 raters · split 42–90 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Ingredient ScanIndependent45
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent76
Open Beauty Facts CertificationsNonprofit88

Twisted Lemon Super Cool Colour

Bleach London

Twisted Lemon Super Cool Colour

GoodOverall · your weights

5388

raters split 42–90

Data Robust · 16/16

5 raters · split 42–90 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Ingredient ScanIndependent45
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent76
Open Beauty Facts CertificationsNonprofit88

Awkward Peach Super Cool Colour

Bleach London

Awkward Peach Super Cool Colour

FairOverall · your weights

5188

raters split 39–85

Data Robust · 15/15

7 raters · split 39–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent39
ANSES Endocrine DisruptorsGovernment60
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent76
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Blullini Super Cool Colour

Bleach London

Blullini Super Cool Colour

FairOverall · your weights

5188

raters split 39–85

Data Robust · 15/15

7 raters · split 39–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent39
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent76
ANSES Endocrine DisruptorsGovernment60
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Proper Copper Super Cool Colour

Bleach London

Proper Copper Super Cool Colour

FairOverall · your weights

5188

raters split 39–85

Data Robust · 15/15

7 raters · split 39–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Ingredient ScanIndependent39
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Tolerance ScreenIndependent76
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Vivid Red Permanent Kit

Bleach London

Vivid Red Permanent Kit

FairOverall · your weights

5188

raters split 42–82

Data Robust · 16/17

6 raters · split 42–82 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government70
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent46
Greenlens Tolerance ScreenIndependent82
Open Beauty Facts CertificationsNonprofit88

Violet Skies Super Cool Colour

Bleach London

Violet Skies Super Cool Colour

FairOverall · your weights

4588

raters split 29–85

Data Robust · 16/16

7 raters · split 29–85 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government80
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment60
Greenlens Ingredient ScanIndependent29
Greenlens Tolerance ScreenIndependent70
Health Canada Ingredient HotlistGovernment85
Open Beauty Facts CertificationsNonprofit88

Curious Orange Super Cool Colour

Bleach London

Curious Orange Super Cool Colour

FairOverall · your weights

4088

raters split 25–90

Data Robust · 19/19

5 raters · split 25–90 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Ingredient ScanIndependent25
Greenlens Precautionary ScreenIndependent42
Greenlens Tolerance ScreenIndependent64
Open Beauty Facts CertificationsNonprofit88

White Heat Super Cool Colour

Bleach London

White Heat Super Cool Colour

FairOverall · your weights

3988

raters split 20–90

Data Robust · 28/28

6 raters · split 20–90 on ingredient safety

Health Canada Ingredient HotlistGovernment70
Greenlens Ingredient ScanIndependent38
EU Harmonised Classification (CLP Annex VI)Government90
Greenlens Precautionary ScreenIndependent20
Greenlens Tolerance ScreenIndependent70
Open Beauty Facts CertificationsNonprofit88

Copper Toner Kit, Semi-Permanent Toner, Fiery Ginger

Bleach London

Copper Toner Kit, Semi-Permanent Toner, Fiery Ginger

FairOverall · your weights

129088

raters split 0–82

Data Robust · 71/77

9 raters · split 0–82 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government10
Greenlens Ingredient ScanIndependent0
IARC MonographsGovernment82
Greenlens Precautionary ScreenIndependent42
ANSES Endocrine DisruptorsGovernment0
Greenlens Tolerance ScreenIndependent0
Health Canada Ingredient HotlistGovernment40
EU Microplastics RestrictionGovernment90
Open Beauty Facts CertificationsNonprofit88

Toner Kit, Soft Semi-Permanent Toner, Pearlescent

Bleach London

Toner Kit, Soft Semi-Permanent Toner, Pearlescent

FairOverall · your weights

129088

raters split 0–82

Data Robust · 68/74

9 raters · split 0–82 on ingredient safety

EU Harmonised Classification (CLP Annex VI)Government10
Greenlens Precautionary ScreenIndependent42
IARC MonographsGovernment82
ANSES Endocrine DisruptorsGovernment0
Greenlens Ingredient ScanIndependent0
Greenlens Tolerance ScreenIndependent0
Health Canada Ingredient HotlistGovernment40
EU Microplastics RestrictionGovernment90
Open Beauty Facts CertificationsNonprofit88