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[ DemythSkin Verdict ]

WellDerma G Plus Niacin NMN Peptide Ampoule
SerumBrightening
Efficacy
Strong
4.3 / 5.0
Safety
Mostly Safe
4.0 / 5.0
System Verdict
This is a potent brightening ampoule with gimmicky peptide marketing and impressive radiance benefits, but most of the fancy peptides are at trace, almost homeopathic levels. Efficacy is driven overwhelmingly by S Tier 10% niacinamide at the top of the INCI, plus a reasonable hydrating base and a low (0.1%) dose of NMN; the numerous peptides and growth factors are present at parts‑per‑billion levels, which means they contribute little to real‑world anti-aging despite the heavy claims. Optical pigments (mica, titanium dioxide) give instant glow but do not treat skin, and fragrance slightly undercuts an otherwise well-tolerated formula.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Titanium Dioxide
A Tier: Good BasicsProven Results
NiacinamideGlycerinCaprylic/Capric TriglycerideSodium HyaluronateDimethiconeDimethicone CrosspolymerArginine
B Tier: Supporting IngredientsPromising Ingredients
Purified WaterGlycereth-26MethylpropanediolButylene GlycolMicaCalcium AlginateGellan GumAgar1,2-HexanediolPhenoxyethanolCaprylyl GlycolPolysorbate 60Glyceryl StearatePEG-100 StearateHydrogenated PolydeceneCyclotetrasiloxaneCarbomerNicotinamide MononucleotideSodium PolyacrylateAmmonium Acryloyldimethyltaurate/VP CopolymerDisodium EDTANonapeptide-1Palmitoyl Tripeptide-1Palmitoyl Tetrapeptide-7Palmitoyl Pentapeptide-4Copper Tripeptide-1sh-Polypeptide-9sh-Polypeptide-1sh-Polypeptide-3Nicotinoyl Octapeptide-9
C Tier: Marketing IdolsHype | Limited or Weak Data
Gold Extract
D Tier: Potential IrritantsBe Cautious
Star Anise ExtractFragranceEthylhexylglycerin
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DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.