Coverage & match quality
3 ratings · 2 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 15 of 52 ingredients: 14 regulated allergens.
Starts at 100; 38 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 12 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.
Data availability
Good43 of 52 characterized
Our sources have reference data on 43 of 52 listed ingredients; 9 are uncharacterized in our data — a gap, not a clean bill.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Aqua Water | Not in our sources | No data | |
| Eau | No flags in our sources | Well-characterized | |
| Propylene Glycolhumectantskin conditioningsolvent | humectantskin conditioningsolvent | No flags in our sources | Well-characterized |
| Isohexadecaneemollientsolvent | emollientsolvent | No flags in our sources | CosIng-catalogued |
| Phenyl Trimethiconeantifoaminghair conditioningskin conditioning | antifoaminghair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Trisiloxaneantifoamingskin conditioning | antifoamingskin conditioning | No flags in our sources | CosIng-catalogued |
| Lactic Acidhumectantbufferingskin conditioning | humectantbufferingskin conditioning | Health Canada Hotlist — restricted· flagged by 1 of 9raters disagree | Referenced |
| Bisaminopropyl Diglycol Dimaleatehair conditioninghair waving or straighteningskin conditioning | hair conditioninghair waving or straighteningskin conditioning | No flags in our sources | CosIng-catalogued |
| Citrullus Lanatus Watermelon Seed Oil | Not in our sources | No data | |
| Aleurites Moluccanus Seed Oilskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Helianthus Annuus Sunflower Seed Oil | Not in our sources | No data | |
| Rosa Canina Fruit Extractastringenttonicskin conditioning | astringenttonicskin conditioning | No flags in our sources | CosIng-catalogued |
| Pcahumectantmoisturising | humectantmoisturising | No flags in our sources | CosIng-catalogued |
| Argininefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Glycineantistaticbufferinghair conditioning | antistaticbufferinghair conditioning | No flags in our sources | Well-characterized |
| Alaninefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Serinefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Valinefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Threonineantistatichair conditioninghair waving or straightening | antistatichair conditioninghair waving or straightening | No flags in our sources | CosIng-catalogued |
| Histidinehumectantantistaticskin conditioning | humectantantistaticskin conditioning | No flags in our sources | CosIng-catalogued |
| Phenylalaninefragrancehair conditioningskin conditioning | fragrancehair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Isoleucineantistatichair conditioningskin conditioning | antistatichair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Prolinehair conditioningskin conditioning | hair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Aspartic Acidfragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Tocopherolfragranceantioxidantskin conditioning | fragranceantioxidantskin conditioning | No flags in our sources | Well-characterized |
| Zea Mays Corn Oil | Not in our sources | No data | |
| Octyldodecanolperfumingfragranceemollient | perfumingfragranceemollient | No flags in our sources | CosIng-catalogued |
| Sodium Pcahumectantantistatichair conditioning | humectantantistatichair conditioning | No flags in our sources | Well-characterized |
| Octyldodecyl Xylosidesurfactant - cleansingsurfactant - emulsifying | surfactant - cleansingsurfactant - emulsifying | No flags in our sources | CosIng-catalogued |
| Sodium Lactatehumectantbufferingkeratolytic | humectantbufferingkeratolytic | No flags in our sources | Well-characterized |
| Sodium Benzoatepreservativefragranceanticorrosive | preservativefragranceanticorrosive | No flags in our sources | Well-characterized |
| Potassium Sorbatepreservativefragrance | preservativefragrance | No flags in our sources | Well-characterized |
| Phenoxyethanolpreservativeantimicrobial | preservativeantimicrobial | Mild sensitizer for some· flagged by 1 of 9raters disagree | Referenced |
| Parfum Fragrance | Not in our sources | No data | |
| Carvoneperfumingfragranceflavouring | perfumingfragranceflavouring | EU harmonised skin sensitizer· flagged by 2 of 9raters disagree | Referenced |
| Citrus Aurantium Peel Oil | Not in our sources | No data | |
| Geranyl Acetateperfumingtonic | perfumingtonic | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Linalyl Acetatefragrance | fragrance | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Citralperfumingflavouring | perfumingflavouring | ANSES endocrine candidate· flagged by 3 of 9raters disagree | Referenced |
| Linaloolperfumingdeodorant | perfumingdeodorant | EU harmonised skin sensitizer· flagged by 2 of 9raters disagree | Referenced |
| Citronellolperfuming | perfuming | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Hexyl Cinnamalperfuming | perfuming | ANSES endocrine candidate· flagged by 2 of 9raters disagree | Referenced |
| Limoneneperfumingdeodorantsolvent | perfumingdeodorantsolvent | ANSES endocrine candidate· flagged by 3 of 9raters disagree | Referenced |
| Camphorfragrancedenaturantplasticiser | fragrancedenaturantplasticiser | EU-regulated fragrance allergen· flagged by 2 of 9raters disagree | Referenced |
| Mentholfragrancedenaturantrefreshing | fragrancedenaturantrefreshing | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Mentha Piperita Oilperfumingfragrancerefreshing | perfumingfragrancerefreshing | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Mentha Viridis Leaf Oilfragranceastringentskin conditioning | fragranceastringentskin conditioning | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Eucalyptus Oilfragranceskin conditioning | fragranceskin conditioning | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Acetyl Cedreneperfuming | perfuming | EU-regulated fragrance allergen· flagged by 1 of 9raters disagree | Referenced |
| Ci 75130 Beta Carotene | Not in our sources | No data | |
| Ci 15985 Yellow 6 | Not in our sources | No data | |
| Ci 19140 Yellow 5 | Not in our sources | No data |