Greenlens

Every public rating on one cosmetic, the places they disagree kept visible, and a single score whose weighting you control.

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The one rule

We never blend a score that hides who disagrees. Funding model travels with every rating. Weights are computed at read time and never stored.

Cosmetics only · lead with safetyOpen data via Open Beauty Facts · no EWG/Yuka scraping
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Catalog/Maria Nila/Styling Spray
Styling Spray
Maria Nila

Styling Spray

hair

Your composite

87OUT OF 100Excellent

range 85–93

83▲▼ split
Safety
86
Eco
92
Labor
—
Pkg

Why this score

22-point split

78

Scan

100

Precautionary

94

Tolerance

See why →
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In your home

Sort this into a room

Cleaner options

12 found

See better →

Flags

No ingredient flags.

Raters split

Ingredient safety

A 22-point gap between the two loudest voices.

78Greenlens Ingredient ScanIndependent
vs
100Greenlens Precautionary ScreenIndependent
050100
See why, ingredient by ingredient→

Cleaner options

See 12 cleaner alternatives

Same category, ranked by ingredient safety, never by affiliate payout.

See better →

Every rater, every axis

Ingredient safety

Split · 22 pts apart
  • Greenlens Ingredient ScanIndependentunverified match
    78
  • Greenlens Tolerance ScreenIndependentunverified match
    94
  • Greenlens Precautionary ScreenIndependentunverified match
    100
  • ANSES Endocrine DisruptorsGovernmentunverified match
    80

Lowest 78 · highest 100 · gap 22

Also screened — no listing found

  • Health Canada Ingredient Hotlist
  • California Proposition 65
  • IARC Monographs
  • ECHA SVHC Candidate List
  • US NTP Report on Carcinogens
  • EU Harmonised Classification (CLP Annex VI)

Environmental

  • EU Microplastics RestrictionGovernmentunverified match
    86

Labor

  • Cruelty-Free CertificationNonprofitunverified match
    92

Coverage & match quality

6 ratings · 3 of 4 axes

  • Some ratings rest on an automatic match that has not been human-reviewed.
  • Fewer raters reach smaller-brand products, so a missing rating is not a clean bill of health, only a gap.

no black box

How this score is built

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.

  1. 1

    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.

  2. 2

    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.

  3. 3

    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.

  4. 4

    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 Scan78 on 0–100→78
  • Greenlens Tolerance Screen94 on 0–100→94
  • Greenlens Precautionary Screen100 on 0–100→100
  • ANSES Endocrine Disruptors80 on 0–100→80
Average of 78 · 94 · 100 · 80pillar83

Raters split here, so this 83 is a midpoint, not a consensus. The spread stays on the “every rater” list above.

Why the safety score

Greenlens Ingredient Scan

Independent · EU regulatory reference

78/100

Flagged 3 of 14 ingredients: 1 restricted, 1 of concern.

  • N,N-BIS(2-HYDROXYETHYL)- P-PHENYLENEDIAMINE SULFATEEU Cosmetics Regulation Annex III (restricted)−10
  • Fragrance / Parfum (undisclosed)Common transparency/sensitization concern (not a regulatory ban)−12

Starts at 100; 12 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 22 points apart. See what each one flags, and what it costs.

All three lenses →

Weighted by what you care about

Tune your weights

composite recomputes live

+
1.0×
1.0×
1.0×
Packagingno rating

No rater covers this axis for this product, so its weight can't move the score.

0 means ignored. Higher = more weight in your composite.

Ingredients, decoded

Data availability

Robust·12 of 14 characterized

Our sources have reference data on 12 of 14 listed ingredients; 2 are uncharacterized in our data — a gap, not a clean bill.

Every listed ingredient: its function, where our safety lists land, and whether our sources have data on it.
IngredientWhat it doesSafetyData
Alcohol Denat→fragranceantimicrobialantifoamingfragranceantimicrobialantifoaming6/10ANSES endocrine candidate· flagged by 3 of 9raters disagreeReferenced
Hydrofluorocarbon 152a→propellantpropellantNo flags in our sourcesCosIng-catalogued
Acrylates Copolymer→film formingantistaticbindingfilm formingantistaticbinding4/10EU microplastics-restricted· flagged by 1 of 9raters disagreeReferenced
Water/Eau→—No flags in our sourcesWell-characterized
Helianthus Annuus Seed Extract→skin conditioningskin conditioningNo flags in our sourcesWell-characterized
Quaternium-95→uv absorberhair conditioninguv absorberhair conditioningNo flags in our sourcesCosIng-catalogued
PEG/PPG-18/18 Dimethicone→surfactant - emulsifyingsurfactant - emulsifyingNo flags in our sourcesCosIng-catalogued
Butylene Glycol→fragrancehumectantskin conditioningfragrancehumectantskin conditioningNo flags in our sourcesWell-characterized
C15-19 Alkane→solventsolventExamined, no flagReferenced
Aminomethyl Propanol→bufferingbufferingNo flags in our sourcesCosIng-catalogued
Pentaerythrityl Tetra-Di-T-Butyl→—Not in our sourcesNo data
Hydroxyhydrocinnamate→—Not in our sourcesNo data
Propanediol→solventviscosity controllingsolventviscosity controllingNo flags in our sourcesWell-characterized
Fragrance/Parfum→—4/10Transparency concern· flagged by 1 of 9raters disagreeReferenced

Where this came from

Cruelty-free status recorded from crueltyfreeinternational.org ↗

Researched facts on Greenlens always carry the page that stated them — nothing is inferred from a model's memory.