Coverage & match quality
2 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
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. The strict and lenient lenses read the same list and land 32 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
Robust31 of 31 characterized
Our sources have reference data on all 31 listed ingredients.
| Ingredient | What it does | Safety | Data |
|---|---|---|---|
| Waterantiplaqueskin conditioningsolvent | antiplaqueskin conditioningsolvent | No flags in our sources | Well-characterized |
| Zinc Oxideuv filteruv absorbercolorant | uv filteruv absorbercolorant | No flags in our sources | Well-characterized |
| Cyclohexasiloxaneemollienthair conditioningskin conditioning | emollienthair conditioningskin conditioning | Persistent / bioaccumulative· flagged by 1 of 9raters disagree | Referenced |
| Dipropylene Glycolperfumingfragrancesolvent | perfumingfragrancesolvent | No flags in our sources | Well-characterized |
| Butyloctyl Salicylatehair conditioningskin conditioningsolvent | hair conditioningskin conditioningsolvent | No flags in our sources | CosIng-catalogued |
| Propanediolsolventviscosity controlling | solventviscosity controlling | No flags in our sources | Well-characterized |
| Isododecaneperfumingemollientsolvent | perfumingemollientsolvent | No flags in our sources | CosIng-catalogued |
| Polyglyceryl-3 Polydimethylsiloxyethyl Dimethiconehair conditioningskin conditioning | hair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Propylheptyl Caprylateemollient | emollient | No flags in our sources | CosIng-catalogued |
| Niacinamidesmoothing | smoothing | No flags in our sources | Well-characterized |
| Diphenylsiloxy Phenyl Trimethiconeantifoaminghair conditioningskin conditioning | antifoaminghair conditioningskin conditioning | No flags in our sources | CosIng-catalogued |
| Caprylyl Methiconeskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| C12-15 Alkyl Benzoateantimicrobialemollientskin conditioning | antimicrobialemollientskin conditioning | No flags in our sources | CosIng-catalogued |
| Methyl Trimethiconehair conditioningskin conditioningsolvent | hair conditioningskin conditioningsolvent | No flags in our sources | CosIng-catalogued |
| Methyl Methacrylate Crosspolymerfilm forming | film forming | EU microplastics-restricted· flagged by 1 of 9raters disagree | Referenced |
| Calendula Officinalis Flower Extractperfumingfragranceskin conditioning | perfumingfragranceskin conditioning | No flags in our sources | Well-characterized |
| Camellia Sinensis Leaf Extractuv absorberfragranceantimicrobial | uv absorberfragranceantimicrobial | No flags in our sources | Well-characterized |
| Artemisia Capillaris Flower Extractskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Vitis Vinifera Seed Extractuv absorberantimicrobialantioxidant | uv absorberantimicrobialantioxidant | No flags in our sources | CosIng-catalogued |
| Sodium Hyaluronatehumectantskin conditioning | humectantskin conditioning | No flags in our sources | Well-characterized |
| Adenosineskin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Palmitoyl Tripeptide-5skin conditioning | skin conditioning | No flags in our sources | CosIng-catalogued |
| Squalaneemollienthair conditioningrefatting | emollienthair conditioningrefatting | No flags in our sources | Well-characterized |
| Chamomilla Recutita Flower Waterfragrance | fragrance | No flags in our sources | CosIng-catalogued |
| Tocopherolfragranceantioxidantskin conditioning | fragranceantioxidantskin conditioning | No flags in our sources | Well-characterized |
| Allantoinsoothingskin conditioningskin protecting | soothingskin conditioningskin protecting | No flags in our sources | Well-characterized |
| Glycerinperfuminghumectantdenaturant | perfuminghumectantdenaturant | No flags in our sources | Well-characterized |
| Butylene Glycolfragrancehumectantskin conditioning | fragrancehumectantskin conditioning | No flags in our sources | Well-characterized |
| Disteardimonium Hectoritelight stabilizerviscosity controlling | light stabilizerviscosity controlling | No flags in our sources | CosIng-catalogued |
| Magnesium Sulfatebulkingviscosity controlling | bulkingviscosity controlling | No flags in our sources | Well-characterized |
| Triethoxycaprylylsilanebinding | binding | No flags in our sources | CosIng-catalogued |