Superior Preference Fade-Defying Permanent Hair Color, 7.5A Medium Ash Blonde safety rating

Superior Preference Fade-Defying Permanent Hair Color, 7.5A Medium Ash Blonde safety rating | Greenlens

Raters split

Ingredient safety

A 20-point gap between the two loudest voices.

80Greenlens Ingredient ScanIndependent

vs

100Greenlens Precautionary ScreenIndependent

050100

All 78 cleaner options, safest first We show the best 12, including the strongest on each axis.

Every rater, every axis

20 pts apart

Independent — not funded by the brands it rates. Auto-linked to this product, not yet human-reviewed. Checked this week. about this rater →
A government authority. Auto-linked to this product, not yet human-reviewed. Checked this week. about this rater →
Independent — not funded by the brands it rates. Auto-linked to this product, not yet human-reviewed. Checked this week. about this rater →
Independent — not funded by the brands it rates. Auto-linked to this product, not yet human-reviewed. Checked this week. about this rater →

Also screened, nothing found: EU Microplastics Restriction

Run by a nonprofit. Auto-linked to this product, not yet human-reviewed. This rates L'Oréal as a company and applies to everything they make, not this product alone. Checked this week. about this rater →

Coverage & match quality

5 ratings · 2 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.

Tune your weights

composite recomputes live

+

Ingredient safety1.0×

Environmentalno rating

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

Labor1.0×

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.

Data availability

Robust10 of 10 characterized

Our sources have reference data on all 10 listed ingredients.

Worth a look (2)

HYDROGEN PEROXIDEantimicrobial · oral care · oxidisingraters disagree
EU-restricted (with limits)flagged by 3 of 9 lists →
TETRASODIUM ETIDRONATE

No flags in our sources (8)

What these ingredient tags mean (1)

These describe what an ingredient is, not whether it is a problem. The stance marks above are the ratings; these are not.

humectantGLYCERIN
- GLYCERIN: A humectant, and one of the two ingredients a comparison of moisturiser components found made a significant difference to skin hydration. FDA OTC skin protectant monograph, 21 CFR 347.10(h), lists glycerin as a skin protectant at 20 to 45%. On the humectant half: Jeong CB, Han JY, Cho JC, Suh KD, Nam GW, "Analysis of electrical property changes of skin by oil-in-water emulsion components", Int J Cosmet Sci 2013;35(4):402-410, DOI 10.1111/ics.12059, PMID 23621673, found that "glycerine and urea showed significant skin hydration effects compared with other humectants".