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 25 ingredients.
Starts at 100; 25 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
Robust25 of 25 characterized
Our sources have reference data on all 25 listed ingredients.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Waterantiplaqueskin conditioningsolvent | antiplaqueskin conditioningsolvent | No flags in our sources | Well-characterized |
| Glycerinperfuminghumectantdenaturant | perfuminghumectantdenaturant | No flags in our sources | Well-characterized |
| Sodium Cocoyl Isethionatecleansinghair conditioningsurfactant - cleansing | cleansinghair conditioningsurfactant - cleansing | No flags in our sources | Well-characterized |
| Potassium Cocoyl Glycinatehair conditioningsurfactant - cleansing | hair conditioningsurfactant - cleansing | No flags in our sources | CosIng-catalogued |
| Papainantistatichair conditioningskin conditioning | antistatichair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Coptis Japonica Root Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Vigna Radiata Seed Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Prunus Serotina Fruit Extractfragrancemoisturisingskin conditioning | fragrancemoisturisingskin conditioning | No flags in our sources | CosIng-catalogued |
| Hydrolyzed Hyaluronic Acidhumectanthair conditioningskin conditioning | humectanthair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Polyglutamic Acidskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Hordeum Distichon Extractskin protecting | skin protecting | No flags in our sources | CosIng-catalogued |
| Vaccinium Macrocarpon Fruit Extractastringent | astringent | No flags in our sources | CosIng-catalogued |
| Punica Granatum Fruit Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Butylene Glycolfragrancehumectantskin conditioning | fragrancehumectantskin conditioning | No flags in our sources | Well-characterized |
| Beta Vulgaris Root Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Prunus Armeniaca Seed Powderabrasive | abrasive | No flags in our sources | Well-characterized |
| Glyceryl Glucosidehumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Oryza Sativa Powderbulking | bulking | No flags in our sources | Well-characterized |
| Collagen Extracthair conditioningskin conditioning | hair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Oryza Sativa Branabrasivebulking | abrasivebulking | No flags in our sources | Well-characterized |
| Coix Lacryma-Jobi Ma-yuen Seed Powderhumectantskin conditioning | humectantskin conditioning | No flags in our sources | CosIng-catalogued |
| Sedum Sarmentosum Extracthumectant | humectant | No flags in our sources | CosIng-catalogued |
| Orchis Mascula Extracthair conditioningskin conditioning | hair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Allantoinsoothingskin conditioningskin protecting | soothingskin conditioningskin protecting | No flags in our sources | Well-characterized |
| Glucosehumectant | humectant | No flags in our sources | Well-characterized |