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 39 ingredients.
Starts at 100; 39 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
Robust39 of 39 characterized
Our sources have reference data on all 39 listed ingredients.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Aqua/Water/Eau | No flags in our sources | Well-characterized | |
| 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 |
| Glyceryl Stearateemollientsurfactant - emulsifying | emollientsurfactant - emulsifying | No flags in our sources | Well-characterized |
| Shea Butter Ethyl Estersemollientskin conditioning | emollientskin conditioning | No flags in our sources | CosIng-catalogued |
| Cystoseira Amentacea/Caespitosa/Branchycarpa Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Vaccinium Macrocarpon Fruit Extractastringent | astringent | No flags in our sources | CosIng-catalogued |
| Acacia Senegal Gumfragrancefilm forming | fragrancefilm forming | No flags in our sources | Well-characterized |
| Linoleic Acidemollientantistaticcleansing | emollientantistaticcleansing | No flags in our sources | Well-characterized |
| Sodium Acrylates Copolymerfilm formingbindingopacifying | film formingbindingopacifying | No flags in our sources | CosIng-catalogued |
| Bixa Orellana Seed Extractfragranceskin conditioning | fragranceskin conditioning | No flags in our sources | CosIng-catalogued |
| Butyrospermum Parkii Butterskin conditioningviscosity controlling | skin conditioningviscosity controlling | No flags in our sources | Well-characterized |
| Kalanchoe Pinnata Leaf Extractfragranceskin conditioning | fragranceskin conditioning | No flags in our sources | CosIng-catalogued |
| Mangifera Indica Seed Butterskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Bakuchiolantimicrobialantioxidantemollient | antimicrobialantioxidantemollient | No flags in our sources | CosIng-catalogued |
| Lecithinemollientantistaticsurfactant - emulsifying | emollientantistaticsurfactant - emulsifying | No flags in our sources | Well-characterized |
| Linolenic Acidperfumingemollientantistatic | perfumingemollientantistatic | No flags in our sources | Well-characterized |
| Laminaria Saccharina Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Butyrospermum Parkii Oilemollientskin conditioning | emollientskin conditioning | No flags in our sources | Well-characterized |
| Kappaphycus Alvarezii Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Gigartina Stellata Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Phospholipidsskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Padina Pavonica Thallus Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Lipaseskin conditioning | skin conditioning | No flags in our sources | Well-characterized |
| Butylene Glycolfragrancehumectantskin conditioning | fragrancehumectantskin conditioning | No flags in our sources | Well-characterized |
| Disodium EDTAchelatingviscosity controlling | chelatingviscosity controlling | No flags in our sources | Well-characterized |
| Olea Europaea Fruit Oilperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Propanediolsolventviscosity controlling | solventviscosity controlling | No flags in our sources | Well-characterized |
| Corallina Officinalis Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Proteaseskin conditioning | skin conditioning | No flags in our sources | Well-characterized |
| Argininefragranceantistatichair conditioning | fragranceantistatichair conditioning | No flags in our sources | CosIng-catalogued |
| Citric Acidfragrancechelatingbuffering | fragrancechelatingbuffering | Health Canada Hotlist — restricted· flagged by 1 of 9raters disagree | Referenced |
| Tocopherolfragranceantioxidantskin conditioning | fragranceantioxidantskin conditioning | No flags in our sources | Well-characterized |
| Crocus Chrysanthus Bulb Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Hyaluronic Acidhumectantantistaticmoisturising | humectantantistaticmoisturising | No flags in our sources | Well-characterized |
| Silanetriolhair conditioning | hair conditioning | No flags in our sources | CosIng-catalogued |
| sh-Oligopeptide-1skin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Acetyl Hexapeptide-49skin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |