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 12 of 57 ingredients: 3 restricted, 1 of concern, 6 regulated allergens.
Starts at 100; 47 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 49 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
Robust54 of 57 characterized
Our sources have reference data on 54 of 57 listed ingredients; 3 are uncharacterized in our data — a gap, not a clean bill.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Aquasolvent | solvent | No flags in our sources | Well-characterized |
| Caprylic/Capric Triglycerideperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Propanediolsolventviscosity controlling | solventviscosity controlling | No flags in our sources | Well-characterized |
| Guar Hydroxypropyltrimonium Chloridefilm formingantistaticskin conditioning | film formingantistaticskin conditioning | No flags in our sources | CosIng-catalogued |
| Behentrimonium Chloridepreservativeantistatichair conditioning | preservativeantistatichair conditioning | EU-restricted (with limits)· flagged by 2 of 9raters disagree | Referenced |
| C13-15 Alkanesolvent | solvent | Examined, no flag | Referenced |
| Melhumectantemollientmoisturising | humectantemollientmoisturising | No flags in our sources | CosIng-catalogued |
| Propolis Ceraanti-sebummoisturisingsmoothing | anti-sebummoisturisingsmoothing | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronatehumectantskin conditioning | humectantskin conditioning | No flags in our sources | Well-characterized |
| Hydrolyzed Milk Proteinantistatichair conditioningskin conditioning | antistatichair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Tocopherolfragranceantioxidantskin conditioning | fragranceantioxidantskin conditioning | No flags in our sources | Well-characterized |
| Helianthus Annuus Seed Oilfragranceemollientskin conditioning | fragranceemollientskin conditioning | No flags in our sources | Well-characterized |
| Helianthus Annuus Sprout Extractskin conditioning | skin conditioning | No flags in our sources | Well-characterized |
| Carthamus Tinctorius Seed Oilfragranceskin conditioning | fragranceskin conditioning | No flags in our sources | Well-characterized |
| Calendula Officinalis Flower Extractperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Oenothera Biennis Oilemollient | emollient | No flags in our sources | Well-characterized |
| Rosa Canina Fruit Oilemollientskin conditioning | emollientskin conditioning | No flags in our sources | CosIng-catalogued |
| Citrus Aurantium Bergamia Fruit Extractskin conditioning | skin conditioning | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Daucus Carota Sativa Root Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Vitis Vinifera Seed Oilemollientskin conditioning | emollientskin conditioning | No flags in our sources | Well-characterized |
| Ricinus Communis Seed Oilperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Caesalpinia Spinosa Fruit Pod Extracthair conditioninghair waving or straightening | hair conditioninghair waving or straightening | No flags in our sources | CosIng-catalogued |
| Cocos Nucifera Oilperfumingfragrancehair conditioning | perfumingfragrancehair conditioning | No flags in our sources | Well-characterized |
| Lactic Acidhumectantbufferingskin conditioning | humectantbufferingskin conditioning | Health Canada Hotlist — restricted· flagged by 1 of 9raters disagree | Referenced |
| Ethylhexyl Cocoateemollient | emollient | No flags in our sources | CosIng-catalogued |
| Glyceryl Stearate Sesurfactant - emulsifying | surfactant - emulsifying | No flags in our sources | Well-characterized |
| Castor Oil Propanediol Estersemollienthair conditioningsurfactant - emulsifying | emollienthair conditioningsurfactant - emulsifying | No flags in our sources | CosIng-catalogued |
| Gamma-Docosalactonehair conditioningskin conditioning | hair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Undecaneemollientskin conditioning | emollientskin conditioning | No flags in our sources | CosIng-catalogued |
| Hydrogenated Polyfarnesene | Not in our sources | No data | |
| Maltodextrinfilm formingabsorbentbinding | film formingabsorbentbinding | No flags in our sources | Well-characterized |
| Caesalpinia Spinosa Gumfilm formingskin conditioningviscosity controlling | film formingskin conditioningviscosity controlling | No flags in our sources | CosIng-catalogued |
| Polyester-37film forminghair conditioningskin conditioning | film forminghair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| VP/VA Copolymerfilm formingbindinghair fixing | film formingbindinghair fixing | No flags in our sources | CosIng-catalogued |
| Behenyl Alcoholemollientbindingemulsion stabilising | emollientbindingemulsion stabilising | No flags in our sources | Well-characterized |
| Xanthan Gumbindingemulsion stabilisinggel forming | bindingemulsion stabilisinggel forming | No flags in our sources | Well-characterized |
| Tetrasodium Glutamate Diacetatechelating | chelating | No flags in our sources | Well-characterized |
| Sodium Hydroxidebufferingdenaturant | bufferingdenaturant | EU-restricted (with limits)· flagged by 2 of 9raters disagree | Referenced |
| C15-19 Alkanesolvent | solvent | Examined, no flag | Referenced |
| Isopentyldiolsolvent | solvent | No flags in our sources | CosIng-catalogued |
| Parfumperfumingfragrance | perfumingfragrance | Transparency concern· flagged by 1 of 9raters disagree | Referenced |
| Isopropyl Alcoholperfumingantifoamingsolvent | perfumingantifoamingsolvent | No flags in our sources | Well-characterized |
| Benzaldehydeperfumingfragrancedenaturant | perfumingfragrancedenaturant | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Polycitronellol Acetatefragrancehumectantemollient | fragrancehumectantemollient | No flags in our sources | CosIng-catalogued |
| Tridecaneperfuming | perfuming | No flags in our sources | CosIng-catalogued |
| Benzyl Alcoholpreservativeperfumingsolvent | preservativeperfumingsolvent | EU harmonised skin sensitizer· flagged by 2 of 9raters disagree | Referenced |
| Potassium Sorbatepreservativefragrance | preservativefragrance | No flags in our sources | Well-characterized |
| Sodium Benzoatepreservativefragranceanticorrosive | preservativefragranceanticorrosive | No flags in our sources | Well-characterized |
| Alpha-Isomethyl Iononeperfumingskin conditioning | perfumingskin conditioning | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Citronellolperfuming | perfuming | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Coumarinperfuming | perfuming | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Rose Ketones | Not in our sources | No data | |
| Tetramethyl Acetylhexahydronaphthalenes | Not in our sources | No data | |
| Micacolorantanticakingopacifying | colorantanticakingopacifying | No flags in our sources | Well-characterized |
| Tin Oxideabrasiveopacifyingbulking | abrasiveopacifyingbulking | No flags in our sources | CosIng-catalogued |
| Iron Oxides | No flags in our sources | Well-characterized | |
| Titanium Dioxideuv filteruv absorbercolorant | uv filteruv absorbercolorant | ANSES CMR-listed· flagged by 5 of 9raters disagree | Referenced |