Greenlens

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

Navigate

  • Browse
  • In your home
  • Methodology
  • Criteria
  • Extension
  • How scoring works
  • Account

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
As an Amazon Associate, Greenlens earns from qualifying purchases. Affiliate income never changes a rating or ranking.PrivacyTerms
Catalog/Tatcha US Prod/The Dewy Serum
The Dewy Serum
Tatcha US Prod

The Dewy Serum

skincare30ml

Your composite

69OUT OF 100Fair
69
Safety
—
Eco
—
Labor
—
Pkg

Why this score

29-point split

69

Scan

98

Precautionary

94

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 →

Flags

No ingredient flags.

Cleaner options

See 12 cleaner alternatives

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

See better →

Every rater, every axis

Ingredient safety

  • Greenlens Ingredient ScanIndependentunverified match
    69

Coverage & match quality

1 rating · 1 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 Scan69 on 0–100→69
Single raterpillar69

Why the safety score

Greenlens Ingredient Scan

Independent · EU regulatory reference

69/100

Flagged 6 of 42 ingredients: 1 restricted, 1 of concern, 3 regulated allergens.

  • 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
  • CitralEU Cosmetics Regulation Annex III / Reg. (EU) 2023/1545 (labelled fragrance allergen)−3
  • LimoneneEU Cosmetics Regulation Annex III / Reg. (EU) 2023/1545 (labelled fragrance allergen)−3
  • LinaloolEU Cosmetics Regulation Annex III / Reg. (EU) 2023/1545 (labelled fragrance allergen)−3

Starts at 100; 37 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 29 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.

Laborno rating

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

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·39 of 42 characterized

Our sources have reference data on 39 of 42 listed ingredients; 3 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
Saccharomyces/Rice Ferment Filtrate→skin conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Glycerin→perfuminghumectantdenaturantperfuminghumectantdenaturantNo flags in our sourcesWell-characterized
Propanediol→solventviscosity controllingsolventviscosity controllingNo flags in our sourcesWell-characterized
Aqua/Water/Eau→—No flags in our sourcesWell-characterized
Squalane→emollienthair conditioningrefattingemollienthair conditioningrefattingNo flags in our sourcesWell-characterized
Glyceryl Stearate→emollientsurfactant - emulsifyingemollientsurfactant - emulsifyingNo flags in our sourcesWell-characterized
Isononyl Isononanoate→emollientantistaticskin conditioningemollientantistaticskin conditioningNo flags in our sourcesCosIng-catalogued
Behenyl Alcohol→emollientbindingemulsion stabilisingemollientbindingemulsion stabilisingNo flags in our sourcesWell-characterized
Dimethicone→emollientantifoamingskin conditioningemollientantifoamingskin conditioningNo flags in our sourcesWell-characterized
Stearyl Alcohol→fragranceemollientemulsion stabilisingfragranceemollientemulsion stabilisingNo flags in our sourcesWell-characterized
Camellia Sinensis Leaf Extract→uv absorberfragranceantimicrobialuv absorberfragranceantimicrobialNo flags in our sourcesWell-characterized
Cladosiphon Okamuranus Extract→skin conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Sodium Hyaluronate→humectantskin conditioninghumectantskin conditioningNo flags in our sourcesWell-characterized
Hydrolyzed Collagen→film forminghumectantemollientfilm forminghumectantemollientNo flags in our sourcesCosIng-catalogued
Hydrolyzed Elastin→emollienthair conditioningskin conditioningemollienthair conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Betaphycus Gelatinum Extract→bleachingbleachingNo flags in our sourcesCosIng-catalogued
Crambe Abyssinica Seed Oil→hair conditioningskin conditioninghair conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Stearyl Glycyrrhetinate→soothingskin conditioningsoothingskin conditioningNo flags in our sourcesCosIng-catalogued
Ascorbyl Tetraisopalmitate→antioxidantemollientantioxidantemollientNo flags in our sourcesCosIng-catalogued
Phytosteryl Macadamiate→hair conditioningskin conditioninghair conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Tocopheryl Acetate→antioxidantskin conditioningantioxidantskin conditioningNo flags in our sourcesWell-characterized
Sodium Dilauramidoglutamide Lysine→humectanthumectantNo flags in our sourcesCosIng-catalogued
Sodium Chondroitin Sulfate→antistatichair conditioningskin conditioningantistatichair conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Polyglyceryl-10 Eicosanedioate/Tetradecanedioate→hair conditioningskin conditioninghair conditioningskin conditioningNo flags in our sourcesCosIng-catalogued
Cellulose Gum→fragrancefilm formingbindingfragrancefilm formingbindingNo flags in our sourcesWell-characterized
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer→emulsion stabilisingviscosity controllingemulsion stabilisingviscosity controllingNo flags in our sourcesCosIng-catalogued
Disodium Phosphate→fragranceanticorrosivebufferingfragranceanticorrosivebufferingNo flags in our sourcesCosIng-catalogued
Potassium Phosphate→bufferingbufferingNo flags in our sourcesCosIng-catalogued
Ethylhexylglycerin→deodorantskin conditioningdeodorantskin conditioningNo flags in our sourcesWell-characterized
Sorbitan Isostearate→surfactant - emulsifyingsurfactant - emulsifyingNo flags in our sourcesCosIng-catalogued
Polysorbate 60→surfactant - cleansingsurfactant - emulsifyingsurfactant - cleansingsurfactant - emulsifyingNo flags in our sourcesWell-characterized
Butylene Glycol→fragrancehumectantskin conditioningfragrancehumectantskin conditioningNo flags in our sourcesWell-characterized
Tocopherol→fragranceantioxidantskin conditioningfragranceantioxidantskin conditioningNo flags in our sourcesWell-characterized
Alcohol→fragranceantimicrobialantifoamingfragranceantimicrobialantifoaming6/10ANSES endocrine candidate· flagged by 3 of 9raters disagreeReferenced
Parfum/Fragrance→—4/10Transparency concern· flagged by 1 of 9raters disagreeReferenced
Phenoxyethanol→preservativeantimicrobialpreservativeantimicrobial4/10Mild sensitizer for some· flagged by 1 of 9raters disagreeReferenced
Citral→perfumingflavouringperfumingflavouring7/10ANSES endocrine candidate· flagged by 3 of 9raters disagreeReferenced
Limonene→perfumingdeodorantsolventperfumingdeodorantsolvent7/10ANSES endocrine candidate· flagged by 3 of 9raters disagreeReferenced
Linalool→perfumingdeodorantperfumingdeodorant6/10EU harmonised skin sensitizer· flagged by 2 of 9raters disagreeReferenced
Subscribe & Save Program→—Not in our sourcesNo data
10% off all Subscribe & Save purchases→—Not in our sourcesNo data
Free shipping and returns→—Not in our sourcesNo data