haruharu wonder Black Rice Night Knight Retinol Serum — Efficacy 4.1/5.0, Safety 4.2/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
haruharu wonder Black Rice Night Knight Retinol Serum
haruharu wonder

haruharu wonder Black Rice Night Knight Retinol Serum

SerumAnti-Aging
Efficacy
Strong
4.1 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
This is a genuinely solid retinoid serum, not a miracle serum. The efficacy score is driven by the real anti-aging pair of retinol at 0.08% and bakuchiol at 1%, plus good support from ceramide NP, glycerin, sunflower seed oil, and other barrier-friendly emollients; that makes it a well-built beginner-to-intermediate retinoid formula. It loses points because the retinol dose is deliberately modest, bakuchiol is supportive rather than a substitute for retinoid strength, and the supporting botanicals/ferments add more marketing cushion than measurable anti-aging power, but the overall base should help reduce irritation and improve tolerability.
Active Ingredients Detected
S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative
Retinol
A Tier: Good BasicsProven Results
GlycerinHelianthus Annuus (Sunflower) Seed OilAspergillus FermentAdenosineCeramide NP
B Tier: Supporting IngredientsPromising Ingredients
BakuchiolC14-22 AlcoholsPotassium Cetyl PhosphateC12-20 Alkyl GlucosidePanax Ginseng Root ExtractGlucoseHydroxyacetophenoneCyclodextrin
C Tier: Marketing IdolsHype | Limited or Weak Data
Oryza Sativa (Rice) ExtractPhyllostachys Pubescens Shoot Bark Extract
What Each Ingredient Does
Water
solvent base
Caprylic/Capric Triglyceride
light emollient
Hydrogenated Polyisobutene
emollient texture aid
Glycerin
humectant hydration
Helianthus Annuus (Sunflower) Seed Oil
emollient barrier support
1,2-Hexanediol
solvent preservative booster
Bakuchiol
retinoid-like anti-aging active
C14-22 Alcohols
fatty alcohol thickener
Potassium Cetyl Phosphate
emulsifier stabilizer
C12-20 Alkyl Glucoside
emulsifier surfactant
Oryza Sativa (Rice) Extract
botanical antioxidant extract
Arginine
pH adjuster humectant
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
gel thickener
Phyllostachys Pubescens Shoot Bark Extract
botanical extract
Disodium EDTA
chelator stabilizer
Retinol
primary retinoid active
Aspergillus Ferment
ferment filtrate
Ethylhexylglycerin
preservative booster
Polyglyceryl-10 Stearate
emulsifier stabilizer
Xanthan Gum
thickener stabilizer
Adenosine
soothing anti-aging support
Hydrogenated Lecithin
lipid barrier support
Glyceryl Stearate
emollient emulsifier
Polyglyceryl-2 Stearate
emulsifier stabilizer
Full Ingredient List (INCI)

Water, Caprylic/Capric Triglyceride, Hydrogenated Polyisobutene, Glycerin, Helianthus Annuus (Sunflower) Seed Oil, 1,2-Hexanediol, Bakuchiol, C14-22 Alcohols, Potassium Cetyl Phosphate, C12-20 Alkyl Glucoside, Oryza Sativa (Rice) Extract(2,000ppm), Arginine, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Phyllostachys Pubescens Shoot Bark Extract(1,000ppm), Disodium EDTA, Retinol(0.08%), Aspergillus Ferment, Ethylhexylglycerin, Polyglyceryl-10 Stearate, Xanthan Gum, Adenosine, Hydrogenated Lecithin, Glyceryl Stearate, Polyglyceryl-2 Stearate, Ceramide NP, Dipropylene Glycol, Stearyl Alcohol, Panax Ginseng Root Extract, Glucose, Hydroxyacetophenone, Butylene Glycol, Caprylyl Glycol, Cyclodextrin

Frequently Asked

Is haruharu wonder Black Rice Night Knight Retinol Serum worth it?

haruharu wonder Black Rice Night Knight Retinol Serum scores 4.1 out of 5.0 for efficacy (Strong) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. This is a genuinely solid retinoid serum, not a miracle serum. The efficacy score is driven by the real anti-aging pair of retinol at 0.08% and bakuchiol at 1%, plus good support from ceramide NP, glycerin, sunflower see

What are the key active ingredients in haruharu wonder Black Rice Night Knight Retinol Serum?

haruharu wonder Black Rice Night Knight Retinol Serum contains these gold-standard actives with strong clinical evidence: Retinol.

Does haruharu wonder Black Rice Night Knight Retinol Serum contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in haruharu wonder Black Rice Night Knight Retinol Serum. It scores 4.2 out of 5.0 for safety.

How is haruharu wonder Black Rice Night Knight Retinol 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.

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Analysis last updated: 2026-09-30. 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.