Differin
Dark Spot Niacinamide 4% Correcting Serum
uncategorized
Cleaner pick · Safest serums & essences we have rated
Africology Skincare & Spa
Aloe Ferox Serum+43 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.
Raters split
Ingredient safety
A 46-point gap between the two loudest voices.
42Greenlens Precautionary ScreenIndependent
vs88Greenlens Tolerance ScreenIndependent
050100
See why, ingredient by ingredientAll 1934 cleaner options, safest first We show the best 12, including the strongest on each axis.
Every rater, every axis
Ingredient safety
46 pts apartIndependent — 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 →
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: California Proposition 65 · US NTP Report on Carcinogens · IARC Monographs · ECHA SVHC Candidate List · EU Harmonised Classification (CLP Annex VI)
Environmental
Also screened, nothing found: EU Microplastics Restriction
Coverage & match quality
5 ratings · 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.
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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
Robust23 of 23 characterized
Our sources have reference data on all 23 listed ingredients.
Worth a look (5)
ANSES endocrine candidateflagged by 1 of 9 lists →
Undisclosed fragrance blendflagged by 2 of 9 lists →
EU-restricted (with limits)flagged by 2 of 9 lists →
EU-restricted (with limits)flagged by 2 of 9 lists →
Health Canada Hotlist — restrictedflagged by 1 of 9 lists →
No flags in our sources (18)
- WATER
- NIACINAMIDEsoothing
- PEG-40 HYDROGENATED CASTOR OIL
- POLYSORBATE 20
- HYDROXYETHYLCELLULOSE
- SODIUM ASCORBYL PHOSPHATE
- 1,2-HEXANEDIOL
- CAPRYLYL GLYCOL
- HIPPOPHAE RHAMNOIDES OIL
- HELIANTHUS ANNUUS SEED OIL
- ROSMARINUS OFFICINALIS LEAF EXTRACT
- BIOTIN
- DISODIUM EDTA
- T-BUTYL ALCOHOL
- DISODIUM PHOSPHATE
- POLYSORBATE 60
- SODIUM PHOSPHATE
- DENATONIUM BENZOATEfragrance material
What these ingredient tags mean (3)
These describe what an ingredient is, not whether it is a problem. The stance marks above are the ratings; these are not.
commonly dryingALCOHOL
- ALCOHOL: A fast-evaporating solvent that leaves a dry finish. International Chemical Safety Card ICSC 0044, Ethanol (anhydrous), prepared by an international group of experts for the ILO and WHO: "The substance defats the skin, which may cause dryness or cracking." Bommannan et al., as reported by Lachenmeier DW, "Safety evaluation of topical applications of ethanol on the skin and inside the oral cavity", J Occup Med Toxicol 2008;3:26, DOI 10.1186/1745-6673-3-26, open access, reference 82: "Bommannan et al. found in vivo in humans that ethanol enters the skin and removes measurable quantities of the lipid barrier material from the stratum corneum." Both describe stronger exposures than a cosmetic formula.
undeclared fragrance blendFRAGRANCE
- FRAGRANCE: A blend the label does not itemize, so what is in it cannot be read from the ingredient list. EU Regulation (EC) 1223/2009 permits the collective term "parfum"; the SCCS Opinion on Fragrance Allergens (SCCS/1459/11) reviews the contact-allergy evidence for the substances it can contain.
soothingNIACINAMIDE
- NIACINAMIDE: A vitamin B3 form that supports the skin barrier and has anti-inflammatory activity; it turns up in products aimed at acne, rosacea and eczema. Camillo L, Zavattaro E, Savoia P, "Nicotinamide: A Multifaceted Molecule in Skin Health and Beyond", Medicina (Kaunas) 2025;61(2):254, DOI 10.3390/medicina61020254, PMID 40005371, open access: it "is extensively used in ... the treatment of dermatological conditions such as blistering diseases, atopic dermatitis, rosacea, and acne vulgaris", and contributes to reducing inflammation. On the acne evidence specifically: Liu H, Yu H, Xia J, Liu L, Liu GJ, Sang H, Peinemann F, "Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne", Cochrane Database Syst Rev 2020;5:CD011368, DOI 10.1002/14651858.CD011368.pub2, PMID 32356369, records "low-quality evidence" for every nicotinamide comparison it could pool, and none of its four nicotinamide studies measured the physician global assessment at all.