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/Herbal Essences Shampoo/Colour Shampoo 400mL
HE
Herbal Essences Shampoo

Colour Shampoo 400mL

ShampooGTIN 4987176363572

Your composite

66OUT OF 100Fair

range 58–85

47▲▼ split
Safety
—
Eco
85
Labor
—
Pkg

Why this score

24-point split

58

Scan

60

Precautionary

82

Tolerance

See why →
Find on Amazon↗

Affiliate link. We may earn a commission. It never changes a rating.

In your home

Sort this into a room

Cleaner options

12 found

See better →

Flagged

6 ingredients

What's flagged →

Raters split

Ingredient safety

A 55-point gap between the two loudest voices.

30Health Canada Recalls & Safety AlertsGovernment
vs
85Health Canada Ingredient HotlistGovernment
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 · 55 pts apart
  • Health Canada Recalls & Safety AlertsGovernmentweak match
    30
  • Greenlens Ingredient ScanIndependentunverified match
    58
  • Health Canada Ingredient HotlistGovernmentunverified match
    85
  • Greenlens Precautionary ScreenIndependentunverified match
    60
  • Greenlens Tolerance ScreenIndependentunverified match
    82

Lowest 30 · highest 85 · gap 55

Also screened — no listing found

  • US NTP Report on Carcinogens
  • IARC Monographs
  • ECHA SVHC Candidate List
  • ANSES Endocrine Disruptors
  • EU Harmonised Classification (CLP Annex VI)
  • California Proposition 65

Recognized on a safer-ingredients list

  • US EPA Safer Choice (SCIL) — 69% of ingredients recognized

Environmental

    Also screened — no listing found

    • EU Microplastics Restriction

    Labor

    • Cruelty-Free CertificationNonprofitunverified match
      85

    Coverage & match quality

    6 ratings · 2 of 4 axes

    • At least one rating was auto-linked to this product on a low-confidence match, so it may describe a different size or variant.
    • 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

    • Health Canada Recalls & Safety Alerts30 on 0–100→30
    • Greenlens Ingredient Scan58 on 0–100→58
    • Health Canada Ingredient Hotlist85 on 0–100→85
    • Greenlens Precautionary Screen60 on 0–100→60
    • Greenlens Tolerance Screen82 on 0–100→82
    Average of 30 · 58 · 85 · 60 · 82pillar47

    Raters split here, so this 47 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

    58/100

    Flagged 4 of 16 ingredients: 3 restricted, 1 of concern.

    • Fragrance / Parfum (undisclosed)Common transparency/sensitization concern (not a regulatory ban)−12
    • ACID RED 33EU Cosmetics Regulation Annex III (restricted)−10
    • CI 19140 / ACID YELLOW 23EU Cosmetics Regulation Annex III (restricted)−10
    • ACID BLUE 9EU Cosmetics Regulation Annex III (restricted)−10

    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 24 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×
    Environmentalno rating

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

    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.

    Flagged ingredients

    • Fragrance / Parfum (undisclosed)3 positions →
    • Cocamidopropyl Betaine3 positions →
    • CITRIC ACID4 positions →
    • ACID RED 333 positions →
    • CI 19140 / ACID YELLOW 233 positions →
    • ACID BLUE 93 positions →

    Ingredients, decoded

    Data availability

    Robust·16 of 16 characterized

    Our sources have reference data on all 16 listed ingredients.

    Every listed ingredient: its function, where our safety lists land, and whether our sources have data on it.
    IngredientWhat it doesSafetyData
    WATER→antiplaqueskin conditioningsolventantiplaqueskin conditioningsolventNo flags in our sourcesWell-characterized
    SODIUM LAURETH SULFATE→cleansingfoamingsurfactant - cleansingcleansingfoamingsurfactant - cleansingNo flags in our sourcesWell-characterized
    SODIUM CHLORIDE→fragranceoral carebulkingfragranceoral carebulkingNo flags in our sourcesWell-characterized
    FRAGRANCE→—4/10Transparency concern· flagged by 1 of 9raters disagreeReferenced
    COCAMIDOPROPYL BETAINE→antistaticcleansinghair conditioningantistaticcleansinghair conditioning6/10Strong contact sensitizer· flagged by 1 of 9raters disagreeReferenced
    SODIUM XYLENESULFONATE→surfactant - hydrotropesurfactant - hydrotropeNo flags in our sourcesWell-characterized
    SODIUM BENZOATE→preservativefragranceanticorrosivepreservativefragranceanticorrosiveNo flags in our sourcesWell-characterized
    CITRIC ACID→fragrancechelatingbufferingfragrancechelatingbuffering4/10Health Canada Hotlist — restricted· flagged by 1 of 9raters disagreeReferenced
    SODIUM CITRATE→fragrancechelatingbufferingfragrancechelatingbufferingNo flags in our sourcesWell-characterized
    SODIUM SALICYLATE→preservativedenaturantpreservativedenaturantNo flags in our sourcesCosIng-catalogued
    HYDROXYPROPYL METHYLCELLULOSE→film formingantistaticbindingfilm formingantistaticbindingNo flags in our sourcesWell-characterized
    TETRASODIUM EDTA→chelatingchelatingNo flags in our sourcesWell-characterized
    HISTIDINE→humectantantistaticskin conditioninghumectantantistaticskin conditioningNo flags in our sourcesCosIng-catalogued
    CI 17200→coloranthair dyeingcoloranthair dyeing4/10EU-restricted (with limits)· flagged by 2 of 9raters disagreeReferenced
    CI 19140→coloranthair dyeingcoloranthair dyeing4/10EU-restricted (with limits)· flagged by 2 of 9raters disagreeReferenced
    CI 42090→coloranthair dyeingcoloranthair dyeing4/10EU-restricted (with limits)· flagged by 2 of 9raters disagreeReferenced

    Where this came from

    Cruelty-free status recorded from crueltyfree.peta.org ↗

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