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
No EU-regulated hazards recognized among 43 ingredients.
Starts at 100; 43 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. See how the strict and lenient lenses read the same list, ingredient by ingredient.
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
Robust43 of 43 characterized
Our sources have reference data on all 43 listed ingredients.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Water/Aqua/Eausolvent | solvent | No flags in our sources | Well-characterized |
| Propanediolsolventviscosity controlling | solventviscosity controlling | No flags in our sources | Well-characterized |
| Glycerinperfuminghumectantdenaturant | perfuminghumectantdenaturant | No flags in our sources | Well-characterized |
| C13-15 Alkanesolvent | solvent | Examined, no flag | Referenced |
| Caprylic/Capric Triglycerideperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| C9-12 Alkanesolvent | solvent | No flags in our sources | CosIng-catalogued |
| Prunus Domestica Seed Oilskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Pentylene Glycolskin conditioningsolvent | skin conditioningsolvent | No flags in our sources | Well-characterized |
| Squalaneemollienthair conditioningrefatting | emollienthair conditioningrefatting | No flags in our sources | Well-characterized |
| Terminalia Ferdinandiana Seed Oilantioxidanthumectantemollient | antioxidanthumectantemollient | No flags in our sources | CosIng-catalogued |
| Hyaluronic Acidhumectantantistaticmoisturising | humectantantistaticmoisturising | No flags in our sources | Well-characterized |
| Sodium Acetylated Hyaluronatehumectant | humectant | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronatehumectantskin conditioning | humectantskin conditioning | No flags in our sources | Well-characterized |
| Davidsonia Jerseyana Fruit Extractantioxidanthumectanthair conditioning | antioxidanthumectanthair conditioning | No flags in our sources | CosIng-catalogued |
| Terminalia Ferdinandiana Fruit Extractantioxidantbleaching | antioxidantbleaching | No flags in our sources | CosIng-catalogued |
| Podocarpus Elatus Fruit Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Polyglutamic Acidskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Pleiogynium Timoriense Fruit Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronate Crosspolymerhumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Hydrolyzed Sodium Hyaluronateskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Epilobium Fleischeri Flower/Leaf/Stem Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Niacinamidesmoothing | smoothing | No flags in our sources | Well-characterized |
| Acrylates/C10-30 Alkyl Acrylate Crosspolymerfilm formingemulsion stabilisingviscosity controlling | film formingemulsion stabilisingviscosity controlling | No flags in our sources | CosIng-catalogued |
| Xylitylglucosidehumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Isononyl Isononanoateemollientantistaticskin conditioning | emollientantistaticskin conditioning | No flags in our sources | CosIng-catalogued |
| Caprylyl Glycolemollientdeodoranthair conditioning | emollientdeodoranthair conditioning | No flags in our sources | Well-characterized |
| Anhydroxylitolhumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Cetearyl Alcoholemollientemulsion stabilisingopacifying | emollientemulsion stabilisingopacifying | No flags in our sources | Well-characterized |
| Glyceryl Stearateemollientsurfactant - emulsifying | emollientsurfactant - emulsifying | No flags in our sources | Well-characterized |
| Argininefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Ethylhexylglycerindeodorantskin conditioning | deodorantskin conditioning | No flags in our sources | Well-characterized |
| Sodium Chloridefragranceoral carebulking | fragranceoral carebulking | No flags in our sources | Well-characterized |
| Xylitolhumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Stearic Acidfragrancecleansingemulsion stabilising | fragrancecleansingemulsion stabilising | No flags in our sources | Well-characterized |
| Tremella Fuciformis Polysaccharidefilm formingemulsion stabilisingskin conditioning | film formingemulsion stabilisingskin conditioning | No flags in our sources | CosIng-catalogued |
| Sodium Lauroyl Glutamateantistatichair conditioningsurfactant - cleansing | antistatichair conditioningsurfactant - cleansing | No flags in our sources | Well-characterized |
| Genipa Americana Fruit Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Glucosehumectant | humectant | No flags in our sources | Well-characterized |
| Lithospermum Erythrorhizon Root Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Potassium Phosphatebuffering | buffering | No flags in our sources | CosIng-catalogued |
| Butylene Glycolfragrancehumectantskin conditioning | fragrancehumectantskin conditioning | No flags in our sources | Well-characterized |
| Disodium Phosphatefragranceanticorrosivebuffering | fragranceanticorrosivebuffering | No flags in our sources | CosIng-catalogued |
| Potassium Chlorideviscosity controlling | viscosity controlling | No flags in our sources | Well-characterized |