numbuzin No.5+ Glutathione Vitamin Concentrated Toner — Efficacy 4.0/5.0, Safety 4.5/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
numbuzin No.5+ Glutathione Vitamin Concentrated Toner
numbuzin

numbuzin No.5+ Glutathione Vitamin Concentrated Toner

TonerBrightening
Efficacy
Strong
4.0 / 5.0
Safety
Safe
4.5 / 5.0
System Verdict
This is a legitimately well-built brightening toner, not a miracle toner. The efficacy score is driven by a strong early-list humectant base, a meaningful niacinamide position, plus supported brightening actives like 3-O-ethyl ascorbic acid, ascorbic acid, arbutin, and multiple peptides; however, the formula is still a toner, so contact time and absolute active dose limit how hard it can perform compared with a leave-on serum.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Ascorbic Acid
A Tier: Good BasicsProven Results
GlycerinNiacinamidePolyglycerin-3Erythritol3-O-Ethyl Ascorbic AcidAdenosineMadecassosideCeramide NPBisabololPanthenolTocopherol
B Tier: Supporting IngredientsPromising Ingredients
ArbutinAcetyl Hexapeptide-8Hexapeptide-9Nonapeptide-1Palmitoyl Pentapeptide-4Palmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7
C Tier: Marketing IdolsHype | Limited or Weak Data
GlutathioneCoptis Japonica Root Extract
What Each Ingredient Does
Water
solvent
Dipropylene Glycol
solvent
Glycerin
humectant
Niacinamide
brightening active
1,2-Hexanediol
solvent preservative
Butylene Glycol
humectant solvent
Polyglycerin-3
humectant
Hippophae Rhamnoides Water
botanical solvent
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
gelling polymer
Tromethamine
pH adjuster
Erythritol
humectant
Pentylene Glycol
humectant solvent
3-O-Ethyl Ascorbic Acid
vitamin C derivative
Ethylhexylglycerin
preservative booster
Polyglyceryl-4 Caprate
surfactant emulsifier
Adenosine
soothing anti-aging
Glutathione
antioxidant
Hydrogenated Lecithin
emulsifier barrier aid
Disodium EDTA
chelator
Madecassoside
soothing active
Coptis Japonica Root Extract
botanical extract
Decyl Glucoside
solubilizer surfactant
Caprylyl Glycol
humectant preservative
Ceramide NP
barrier lipid
Full Ingredient List (INCI)

Water, Dipropylene Glycol, Glycerin, Niacinamide, 1,2-Hexanediol, Butylene Glycol, Polyglycerin-3, Hippophae Rhamnoides Water, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Tromethamine, Erythritol, Pentylene Glycol, 3-O-Ethyl Ascorbic Acid, Ethylhexylglycerin, Polyglyceryl-4 Caprate, Adenosine, Glutathione, Hydrogenated Lecithin, Disodium EDTA, Madecassoside, Coptis Japonica Root Extract, Decyl Glucoside, Caprylyl Glycol, Ceramide NP, Ascorbic Acid, Bisabolol, Panthenol, Tocopherol, Arbutin, Acetyl Hexapeptide-8, Hexapeptide-9, Nonapeptide-1, Palmitoyl Pentapeptide-4, Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7 Double the Results Save More When You Bundle 25% OFF No.5 Ultimate Brightening Trio

Frequently Asked

Is numbuzin No.5+ Glutathione Vitamin Concentrated Toner worth it?

numbuzin No.5+ Glutathione Vitamin Concentrated Toner scores 4.0 out of 5.0 for efficacy (Strong) and 4.5 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. This is a legitimately well-built brightening toner, not a miracle toner. The efficacy score is driven by a strong early-list humectant base, a meaningful niacinamide position, plus supported brightening actives like 3-O

What are the key active ingredients in numbuzin No.5+ Glutathione Vitamin Concentrated Toner?

numbuzin No.5+ Glutathione Vitamin Concentrated Toner contains these gold-standard actives with strong clinical evidence: Ascorbic Acid.

Does numbuzin No.5+ Glutathione Vitamin Concentrated Toner contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in numbuzin No.5+ Glutathione Vitamin Concentrated Toner. It scores 4.5 out of 5.0 for safety.

How is numbuzin No.5+ Glutathione Vitamin Concentrated Toner scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

Buy on Amazon Analyze on DemythSkin

Analysis last updated: 2026-08-11. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score. DemythSkin earns commission from affiliate links (Amazon Associates and others). Scores are computed before any commercial relationship — the link follows the verdict, never the other way around.