Coverage & match quality
1 rating · 1 of 4 axes
no black box
We don't rate products ourselves. We collect what each public rater already says, put every scale on common ground, and keep the disagreements visible instead of averaging them away.
Collect each rater's own score
Every source keeps its native verdict for this product. We never invent a score for an axis a source didn't measure.
Normalize to 0–100, higher = better
Raters can use different scales and directions: some where a low number means safe, some where a high one does. We map them all onto one 0–100 axis and flip the ones that run backwards so the numbers are finally comparable.
Average per axis, but keep the spread
Scores on the same axis become one representative number (their mean). When raters split by 20+ points we flag it and keep every rater's number. A disagreement is never blended into silence.
Your weights make the overall
The ring is the weighted average of the four pillars using your weights. It's computed fresh every time and never stored, so there's no hidden “objective” default.
worked example · Ingredient safety
Greenlens Ingredient Scan
Independent · EU regulatory reference
Flagged 9 of 55 ingredients: 3 restricted, 6 regulated allergens.
Starts at 100; 46 other ingredients carried no recognized regulated hazard. Absence of a flag means no regulated hazard was recognized — not proof of safety. This is one lens; see where raters disagree above.
Why this score
Every ingredient, under all three lenses
The Scan is one opinion. The strict and lenient lenses read the same list and land 42 points apart. See what each one flags, and what it costs.
Tune your weights
composite recomputes live
+No rater covers this axis for this product, so its weight can't move the score.
No rater covers this axis for this product, so its weight can't move the score.
No rater covers this axis for this product, so its weight can't move the score.
Data availability
Robust52 of 55 characterized
Our sources have reference data on 52 of 55 listed ingredients; 3 are uncharacterized in our data — a gap, not a clean bill.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Aqua/Water/Eau | No flags in our sources | Well-characterized | |
| Behentrimonium Chloridepreservativeantistatichair conditioning | preservativeantistatichair conditioning | EU-restricted (with limits)· flagged by 2 of 9raters disagree | Referenced |
| Glycerinperfuminghumectantdenaturant | perfuminghumectantdenaturant | No flags in our sources | Well-characterized |
| Cetearyl Alcoholemollientemulsion stabilisingopacifying | emollientemulsion stabilisingopacifying | No flags in our sources | Well-characterized |
| Cetyl Alcoholfragranceemollientemulsion stabilising | fragranceemollientemulsion stabilising | No flags in our sources | Well-characterized |
| Pentylene Glycolskin conditioningsolvent | skin conditioningsolvent | No flags in our sources | Well-characterized |
| Propanediolsolventviscosity controlling | solventviscosity controlling | No flags in our sources | Well-characterized |
| Isoamyl Laurateemollientskin conditioning | emollientskin conditioning | No flags in our sources | Well-characterized |
| Triethyl Citrateperfumingfragranceplasticiser | perfumingfragranceplasticiser | No flags in our sources | Well-characterized |
| Polyester-11film formingskin conditioning | film formingskin conditioning | No flags in our sources | CosIng-catalogued |
| Quaternium-91hair conditioning | hair conditioning | No flags in our sources | CosIng-catalogued |
| Phospholipidsskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Polyquaternium-37film formingantistatic | film formingantistatic | No flags in our sources | CosIng-catalogued |
| Cetrimonium Methosulfateantimicrobialantistatichair conditioning | antimicrobialantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Hydrogenated Castor Oil/Sebacic Acid Copolymeremollienthair conditioningskin conditioning | emollienthair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Glycine Soja Oilperfumingemollientskin conditioning | perfumingemollientskin conditioning | No flags in our sources | Well-characterized |
| Potassium Sorbatepreservativefragrance | preservativefragrance | No flags in our sources | Well-characterized |
| Caprylyl Glycolemollientdeodoranthair conditioning | emollientdeodoranthair conditioning | No flags in our sources | Well-characterized |
| Caprylhydroxamic Acidchelating | chelating | No flags in our sources | CosIng-catalogued |
| Panthenolantistatichair conditioningskin conditioning | antistatichair conditioningskin conditioning | No flags in our sources | Well-characterized |
| Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamateantioxidant | antioxidant | No flags in our sources | Well-characterized |
| Tetrasodium Glutamate Diacetatechelating | chelating | No flags in our sources | Well-characterized |
| Juniperus Virginiana Oilfragrancetonic | fragrancetonic | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Citric Acidfragrancechelatingbuffering | fragrancechelatingbuffering | Health Canada Hotlist — restricted· flagged by 1 of 9raters disagree | Referenced |
| Linalyl Acetatefragrance | fragrance | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Cinnamomum Camphora Linaloolifera Leaf Oilfragranceskin conditioning | fragranceskin conditioning | No flags in our sources | CosIng-catalogued |
| Citrus Aurantium Bergamia Fruit Oilperfumingfragrance | perfumingfragrance | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Tilia Tomentosa Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Sodium Hydroxidebufferingdenaturant | bufferingdenaturant | EU-restricted (with limits)· flagged by 2 of 9raters disagree | Referenced |
| Adansonia Digitata Seed Oilemollienthair conditioningskin conditioning | emollienthair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Butyrospermum Parkii Butterskin conditioningviscosity controlling | skin conditioningviscosity controlling | No flags in our sources | Well-characterized |
| Geraniolperfumingtonic | perfumingtonic | EU harmonised skin sensitizer· flagged by 2 of 9raters disagree | Referenced |
| Pogostemon Cablin Leaf Extractperfuming | perfuming | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Sarcosineskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Hexyl Acetateperfumingfragranceflavouring | perfumingfragranceflavouring | No flags in our sources | Well-characterized |
| Raphanus Sativus Seed Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Ambroxide | Not in our sources | No data | |
| Alcoholfragranceantimicrobialantifoaming | fragranceantimicrobialantifoaming | ANSES endocrine candidate· flagged by 3 of 9raters disagree | Referenced |
| Damascenone | Not in our sources | No data | |
| Santalolperfuming | perfuming | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Octyldodecyl Oleateemollient | emollient | No flags in our sources | CosIng-catalogued |
| Octyldodecanolperfumingfragranceemollient | perfumingfragranceemollient | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronatehumectantskin conditioning | humectantskin conditioning | No flags in our sources | Well-characterized |
| Hydrolyzed Hyaluronic Acidhumectanthair conditioningskin conditioning | humectanthair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Hydrolyzed Sodium Hyaluronateskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Hexenyl Acetateperfumingfragranceflavouring | perfumingfragranceflavouring | No flags in our sources | Well-characterized |
| Gamma-Undecalactoneperfumingskin conditioning | perfumingskin conditioning | No flags in our sources | Well-characterized |
| Alpha-Iononeperfuming | perfuming | No flags in our sources | CosIng-catalogued |
| 3-Hexenolperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Ethyl-2-Methyl Butyrateperfuming | perfuming | No flags in our sources | Well-characterized |
| Lactic Acidhumectantbufferingskin conditioning | humectantbufferingskin conditioning | Health Canada Hotlist — restricted· flagged by 1 of 9raters disagree | Referenced |
| Magnolia Officinalis Bark Extractantimicrobialskin conditioning | antimicrobialskin conditioning | No flags in our sources | CosIng-catalogued |
| Ethyl Vanillinfragrancesoothing | fragrancesoothing | No flags in our sources | Well-characterized |
| Rosmarinus Officinalis Leaf Extractfragranceantimicrobialskin conditioning | fragranceantimicrobialskin conditioning | No flags in our sources | CosIng-catalogued |
| Isoprop | Not in our sources | No data |