All scans / Serums / COSRX The Blue Peptide Bakuchiol Plump Glow Serum
COSRX The Blue Peptide Bakuchiol Plump Glow Serum ingredients: is it worth it?
Decent hydrating peptide serum, but the blue-bottle hype outruns the evidence.
Decent hydrating peptide serum, but the blue-bottle hype outruns the evidence.
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The efficacy score is 3.8/5: glycerin, betaine, niacinamide, panthenol, beta-glucan, and multiple hyaluronic-acid forms provide credible hydration and barrier support, while bakuchiol is listed at the brand-reported 0.25% and copper tripeptide at 0.5%. The formula also contains several peptides, but their concentrations and independent clinical evidence are not established here, so they cannot justify a near-perfect treatment score. The product has no disclosed pH, and the presence of alcohol may reduce tolerability for very dry or reactive skin. The marketed collagen contributes mainly film-forming appeal rather than meaningful collagen rebuilding.
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DemythSkin rates COSRX The Blue Peptide Bakuchiol Plump Glow Serum 3.8/5 for efficacy and 4.3/5 for safety.
ACTIVE INGREDIENTS BY TIER
Gold Standards
High clinical proof | Skin-transformativeReliable
Proven resultsPotent
Developing evidenceOverhyped | Marketing
Hype | Limited dataDocumented Irritants
Evidence-backed flagFORMULATION BASE (14)⌄
FULL INGREDIENT LIST⌄
AQUA/WATER, BUTYLENE GLYCOL, GLYCERIN, DIPROPYLENE GLYCOL, NIACINAMIDE, 1,2-HEXANEDIOL, BETAINE, DIETHOXYETHYL SUCCINATE, AMMONIUM ACRYLOYLDIMETHYLTAURATE/VP COPOLYMER, DIMETHICONE, COPPER TRIPEPTIDE-1(GHK-Cu), POLYGLYCERYL-6 CAPRYLATE, POLYGLYCERYL-4 CAPRATE, BAKUCHIOL, HYDROGENATED LECITHIN, ALCOHOL, SODIUM METHYL STEAROYL TAURATE, ETHYLHEXYLGLYCERIN, HYDROXYPROPYL STARCH PHOSPHATE, DISODIUM EDTA, ADENOSINE, CAPRYLYL GLYCOL, TOCOPHEROL, DIPEPTIDE DIAMINOBUTYROYL BENZYLAMIDE DIACETATE, ACETYL HEXAPEPTIDE-1, ACETYL HEPTAPEPTIDE-4, PANTHENOL, INOSITOL, ACETYL HEXAPEPTIDE-8, SODIUM HYDROXIDE, PROPANEDIOL, BETA-GLUCAN, SODIUM HYALURONATE, HYALURONIC ACID, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED COLLAGEN, HYDROLYZED HYALURONIC ACID, SODIUM ACETYLATED HYALURONATE, ACETYL OCTAPEPTIDE-3 DETAILS
WHAT EACH INGREDIENT DOES (24)⌄
- Aqua/Water
- Solvent and formula base
- Butylene Glycol
- Humectant and solvent
- Glycerin
- Humectant and water binder
- Dipropylene Glycol
- Solvent and humectant
- Niacinamide
- Barrier and tone support
- 1,2-Hexanediol
- Solvent and preservative booster
- Betaine
- Humectant and osmolyte
- Diethoxyethyl Succinate
- Emollient and solvent
- Ammonium Acryloyldimethyltaurate/VP Copolymer
- Thickener and stabilizer
- Dimethicone
- Silicone emollient and barrier film
- Copper Tripeptide-1 (GHK-Cu)
- Signal peptide and skin conditioning
- Polyglyceryl-6 Caprylate
- Emulsifier and solubilizer
- Polyglyceryl-4 Caprate
- Emulsifier and solubilizer
- Bakuchiol
- Retinoid-like antioxidant active
- Hydrogenated Lecithin
- Lipid emulsifier and conditioner
- Alcohol
- Solvent and formula aid
- Sodium Methyl Stearoyl Taurate
- Emulsifier and surfactant
- Ethylhexylglycerin
- Preservative booster and conditioner
- Hydroxypropyl Starch Phosphate
- Thickener and texture modifier
- Disodium EDTA
- Chelator and formula stabilizer
- Adenosine
- Skin conditioning active
- Caprylyl Glycol
- Humectant and preservative booster
- Tocopherol
- Antioxidant and skin conditioner
- Dipeptide Diaminobutyroyl Benzylamide Diacetate
- Peptide skin conditioning
EXTERNAL CITATIONS
Bakuchiol: Brand-reported 0.25% concentration and retinol-alternative positioning
Copper Tripeptide-1 (GHK-Cu): Brand-reported 0.5% concentration and skin-resilience positioning
Niacinamide: Listed at position 5, supporting barrier and tone-related claims
Hyaluronic Acid forms: Multiple humectant forms appear in the formula, supporting surface hydration
DISCLAIMER: THIS ANALYSIS IS FOR INFORMATION ONLY. NOT MEDICAL ADVICE. AI-GENERATED DATA BASED ON PUBLICLY AVAILABLE INGREDIENT LISTS. VERIFY WITH A MEDICAL PROFESSIONAL.
A cheaper serum that scores as high or higher
A different formula for the same concern (anti-aging) that scores at least as high on both efficacy and safety.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum: common questions
Is COSRX The Blue Peptide Bakuchiol Plump Glow Serum worth it?
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 3.8 out of 5.0 for efficacy (Modest) and 4.3 out of 5.0 for safety (Gentle) on DemythSkin's independent ingredient analysis. Decent hydrating peptide serum, but the blue-bottle hype outruns the evidence.
What are the key active ingredients in COSRX The Blue Peptide Bakuchiol Plump Glow Serum?
COSRX The Blue Peptide Bakuchiol Plump Glow Serum contains no gold-standard actives. Its formula is built on supporting and base ingredients rather than clinically transformative actives.
Does COSRX The Blue Peptide Bakuchiol Plump Glow Serum contain fragrance or known irritants?
DemythSkin's analysis found no flagged irritants in COSRX The Blue Peptide Bakuchiol Plump Glow Serum. It scores 4.3 out of 5.0 for safety.
How is COSRX The Blue Peptide Bakuchiol Plump Glow Serum scored?
DemythSkin grades every product on two independent scores: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are graded S through D against a database of over 3,000 compounds. Brand and price are not part of the score, and no brand pays for one.
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