Plum 5% Niacinamide & Rice Water Brightening Face Serum — Efficacy 4.0/5.0, Safety 4.4/5.0 | DemythSkin
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[ DemythSkin Verdict ]
Plum 5% Niacinamide & Rice Water Brightening Face Serum
Plum

Plum 5% Niacinamide & Rice Water Brightening Face Serum

SerumBrightening
Efficacy
Strong
4.0 / 5.0
Safety
Safe
4.4 / 5.0
System Verdict
This is a solid, no-nonsense niacinamide serum with great hydration support but limited true brightening firepower beyond that 5% niacinamide. The efficacy hinges on a correctly dosed 5% niacinamide sitting high in the INCI, backed by a dense humectant and amino-acid complex that supports barrier function and texture, but there are no high-evidence extra brighteners (like tranexamic acid, alpha arbutin, strong vitamin C, or licorice in meaningful position), and lactic acid here functions mainly as a pH adjuster rather than a true exfoliant, so results will skew toward gradual tone-evening and barrier repair rather than dramatic pigment lifting.
Active Ingredients Detected
A Tier: Good BasicsProven Results
GlycerinNiacinamide (5%)LysineHistidineThreonineSerineProlineGlycineAlanineValineIsoleucinePhenylalanineSodium PCADiglycerinUreaSorbitolAllantoin
B Tier: Supporting IngredientsPromising Ingredients
Aspartic AcidGlutamic AcidMethionineLeucineCysteineEthoxydiglycolHydrolyzed Rice ProteinPCAMethyl Gluceth-20HydroxyacetophenoneCyclodextrin
C Tier: Marketing IdolsHype | Limited or Weak Data
Oryza Sativa (Rice) ExtractCucumis Sativus (Cucumber) Extract
D Tier: Potential IrritantsBe Cautious
Tyrosine
What Each Ingredient Does
Aqua
Solvent base
Glycerin
Humectant for hydration
Niacinamide (5%)
Brightening and barrier-support active
Propanediol
Solvent and penetration enhancer
Lysine
Amino acid, skin conditioning
Histidine
Amino acid, humectant
Arginine
Amino acid, skin conditioning
Aspartic Acid
Amino acid, skin conditioning
Threonine
Amino acid, skin conditioning
Serine
Amino acid, humectant
Glutamic Acid
Amino acid, skin conditioning
Proline
Amino acid, skin conditioning
Glycine
Amino acid, skin conditioning
Alanine
Amino acid, humectant
Valine
Amino acid, skin conditioning
Methionine
Amino acid, skin conditioning
Isoleucine
Amino acid, skin conditioning
Leucine
Amino acid, skin conditioning
Tyrosine
Amino acid, skin conditioning
Phenylalanine
Amino acid, skin conditioning
Cysteine
Amino acid, antioxidant-support
Oryza Sativa (Rice) Extract
Soothing, conditioning botanical
Pentylene Glycol
Humectant and solvent
Rosa Damascena (Rose) Flower Water
Botanical water, masking
Full Ingredient List (INCI)

Aqua, Glycerin, Niacinamide (5%), Propanediol, Lysine, Histidine, Arginine, Aspartic Acid, Threonine, Serine, Glutamic Acid, Proline, Glycine, Alanine, Valine, Methionine, Isoleucine, Leucine, Tyrosine, Phenylalanine, Cysteine, Oryza Sativa (Rice) Extract, Pentylene Glycol, Rosa Damascena (Rose) Flower Water, Ethoxydiglycol, Cucumis Sativus (Cucumber) Extract, Sodium PCA, Diglycerin, Urea, Hydrolyzed Rice Protein, Sorbitol, PCA, Allantoin, Lactic Acid, Methyl Gluceth-20, Benzyl Alcohol, Hydroxyacetophenone, Caprylyl Glycol, Cyclodextrin, Xanthan Gum, Hydroxyethylcellulose, Sodium Gluconate

Frequently Asked

Is Plum 5% Niacinamide & Rice Water Brightening Face Serum worth it?

Plum 5% Niacinamide & Rice Water Brightening Face Serum scores 4.0 out of 5.0 for efficacy (Strong) and 4.4 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. This is a solid, no-nonsense niacinamide serum with great hydration support but limited true brightening firepower beyond that 5% niacinamide. The efficacy hinges on a correctly dosed 5% niacinamide sitting high in the I

What are the key active ingredients in Plum 5% Niacinamide & Rice Water Brightening Face Serum?

Plum 5% Niacinamide & Rice Water Brightening Face Serum contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does Plum 5% Niacinamide & Rice Water Brightening Face Serum contain fragrance or known irritants?

DemythSkin flags these ingredients in Plum 5% Niacinamide & Rice Water Brightening Face Serum as potential irritants: Tyrosine.

How is Plum 5% Niacinamide & Rice Water Brightening Face Serum 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.

Analyze on DemythSkin

Analysis last updated: 2026-07-29. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.