Kiehl's
Ultra Pure High-Potency 5.0% Niacinamide Serum
Face
Cleaner pick · Safest serums & essences we have rated
Africology Skincare & Spa
Aloe Ferox Serum+5 on ingredient safety
30ml · 569 ZAR · 1896.67 ZAR/100 ml
Ingredient safetyRaters agree
Ranked by safety only. Greenlens earns from qualifying purchases. Payout never affects a rating, a ranking, or the cleaner pick.
All 536 cleaner options, safest first We show the best 12, including the strongest on each axis.
Every rater, every axis
Ingredient safety
raters agreeIndependent — 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 →
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 Harmonised Classification (CLP Annex VI) · California Proposition 65 · IARC Monographs · ECHA SVHC Candidate List · US NTP Report on Carcinogens · ANSES Endocrine Disruptors · Health Canada Ingredient Hotlist
US EPA Safer Choice (SCIL) recognizes 60% of ingredients as safer choices — a marker, never a score.
Environmental
A government authority. Auto-linked to this product, not yet human-reviewed. Checked this week. about this rater →
Labor
Run by a nonprofit. Auto-linked to this product, not yet human-reviewed. This rates Kiehl's as a company and applies to everything they make, not this product alone. Checked this week. about this rater →
Coverage & match quality
5 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.
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Packagingno rating
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Ingredients, decoded
Data availability
Robust10 of 10 characterized
Our sources have reference data on all 10 listed ingredients.
Worth a look (2)
EU microplastics-restrictedflagged by 1 of 9 lists
EU-restricted (with limits)flagged by 2 of 9 lists
No flags in our sources (8)