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 31 ingredients.
Starts at 100; 31 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
Robust30 of 31 characterized
Our sources have reference data on 30 of 31 listed ingredients; 1 is uncharacterized in our data — a gap, not a clean bill.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Waterantiplaqueskin conditioningsolvent | antiplaqueskin conditioningsolvent | No flags in our sources | Well-characterized |
| Mineral Oil | No flags in our sources | Well-characterized | |
| Petrolatumemollientantistatic | emollientantistatic | Examined, no flag | Referenced |
| Microcrystalline Waxbindingemulsion stabilisingbulking | bindingemulsion stabilisingbulking | No flags in our sources | CosIng-catalogued |
| Glycerinperfuminghumectantdenaturant | perfuminghumectantdenaturant | No flags in our sources | Well-characterized |
| Phytosteryl/Isostearyl/Cetyl/Stearyl/Behenyl Dimer Dilinoleatehair conditioningskin conditioningviscosity controlling | hair conditioningskin conditioningviscosity controlling | No flags in our sources | CosIng-catalogued |
| Butylene Glycol Dicaprylate/Dicaprateemollientskin conditioning | emollientskin conditioning | No flags in our sources | CosIng-catalogued |
| Zinc Stearatecolorantanticakingslip modifier | colorantanticakingslip modifier | No flags in our sources | CosIng-catalogued |
| Niacinamidesmoothing | smoothing | No flags in our sources | Well-characterized |
| Beeswaxfragrancebindingemulsion stabilising | fragrancebindingemulsion stabilising | No flags in our sources | Well-characterized |
| Leontopodium Alpinum Callus Culture Extractantioxidanthumectanthair conditioning | antioxidanthumectanthair conditioning | No flags in our sources | CosIng-catalogued |
| Copper Tripeptide-1skin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Acetyl Hexapeptide-8humectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Hydrolyzed Collagenfilm forminghumectantemollient | film forminghumectantemollient | No flags in our sources | CosIng-catalogued |
| Panthenolantistatichair conditioningskin conditioning | antistatichair conditioningskin conditioning | No flags in our sources | Well-characterized |
| Undaria Pinnatifida Extractskin conditioningskin protecting | skin conditioningskin protecting | No flags in our sources | CosIng-catalogued |
| Ecklonia Cava Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Hizikia Fusiforme Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Laminaria Japonica Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Adenosineskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Porphyra Yezoensis Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Laminaria Digitata Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Solidago Virgaurea Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Ulva Lactuca Extractskin conditioningskin protecting | skin conditioningskin protecting | No flags in our sources | CosIng-catalogued |
| Codium Tomentosum Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Laminaria Cloustoni Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Enteromorpha Compressa Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Agarum Cribosum Extract | Not in our sources | No data | |
| Codium Fragile Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronatehumectantskin conditioning | humectantskin conditioning | No flags in our sources | Well-characterized |
| Sodium Chloridefragranceoral carebulking | fragranceoral carebulking | No flags in our sources | Well-characterized |