qrxlabs Niacinamax Serum
qrxlabs QRxLabs Niacinamax Serum lists 15 ingredients on its label, 14 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
Highlights
Free of alcoholFree of fragranceFree of parabensFree of siliconesFree of sulfatesFree of mineral oilFree of formaldehyde releasersContains PEGContains essential oils
Formulation view Distilled water base featuring niacinamide, dimethyl isosorbide, and propanediol for hydration, supplemented with tea tree oil, vitamin B5, and calendula. This clear serum is ideal for oily or combination skin seeking clarity. Formulator note: The inclusion of polysorbate 20 and tea tree oil requires precise pH control and robust preservation to maintain stability and prevent microbial growth.
Key ingredients
- 溶剂
- Distilled Water
- SMOOTHING
- Niacinamide
- SURFACTANT - EMULSIFYING
- Polysorbate 20
- SOLVENT
- Dimethyl IsosorbidePropanediol
- 皮肤调理剂
- Tea Tree Oil
- SKIN CONDITIONING
- Allantoin
- BINDING
- Hydroxyethylcellulose
Other ingredients
Vitamin B5Calendula ExtractVitamin EPhenoxyethanolCaprylyl GlycolSorbic AcidTriethanolamine
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Distilled Water | 溶剂 | 0 · 0 | Green |
| Niacinamide | SMOOTHING | 0 · 0 | Green |
| Polysorbate 20 | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Dimethyl Isosorbide | SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Propanediol | SOLVENT, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Tea Tree Oil | 皮肤调理剂,防腐剂,香料 | 2 · – | Green |
| Vitamin B5 | Not decoded yet | — | — |
| Allantoin | SKIN CONDITIONING, SKIN PROTECTING, SOOTHING | 0 · 0 | Green |
| Hydroxyethylcellulose | BINDING, EMULSION STABILISING, FILM FORMING, LIGHT STABILIZER, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Calendula Extract | 皮肤调理剂, 舒缓剂 | 0 · 0 | Green |
| Vitamin E | 抗氧化剂, 皮肤调理剂 | 0 · – | Green |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Caprylyl Glycol | DEODORANT, SKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Sorbic Acid | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 1 · – | Yellow |
| Triethanolamine | BUFFERING, SURFACTANT - EMULSIFYING, FRAGRANCE, SURFACTANT - CLEANSING · 限制 III/62 | 2 · – | Yellow |
Ingredients explained
- Distilled Water
- Distilled water; primary solvent and carrier for aqueous phases.
- Niacinamide
- Niacinamide at 2–5%; improves texture, controls oil, brightens; high levels may cause sensitivity
- Polysorbate 20
- Non-ionic emulsifier and cleansing surfactant; contains PEG, control microbial load.
- Dimethyl Isosorbide
- Dimethyl isosorbide as solvent and viscosity control; low toxicity, common use
- Propanediol
- Polyol solvent at 1–5%; light feel, aids solubilization, propylene glycol alternative
- Tea Tree Oil
- Botanical essential oil, antibacterial and oil control; contains camphor, high concentrations may sensitize or irritate
- Vitamin B5
- Not decoded yet
- Allantoin
- Skin soother at 0.5-2%; promotes cell regeneration
- Hydroxyethylcellulose
- Water-soluble cellulose ether for thickening and suspension stabilization; sensitive to ions, electrolytes reduce viscosity, use at pH 7-8.
- Calendula Extract
- Calendula extract for soothing and repair; suitable for sensitive skin.
- Vitamin E
- Tocopherol antioxidant; >0.5% may need encapsulation or synergists to prevent oxidation.
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Caprylyl Glycol
- Polyol conditioner and preservative booster at 0.5–3%; emollient feel, often paired with 1,2-hexanediol
- Sorbic Acid
- Preservative effective at low pH, often combined with sorbate salts; check regulatory limits
- Triethanolamine
- Triethanolamine for buffering; restricted, limit concentration to avoid high pH and irritation
Source: full ingredient list published on the product label, collected 2026-09-21. Ratings are our internal reading, not a regulatory conclusion. · Product page
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