Formulation Audit · COSRX · Multi-Peptide & Amino Acid First-Step Toner-Serum · $25 USD
The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG)
- Skin Suitability
- All skin types wanting lightweight peptide + NMF prep under retinoids or moisturiser
- Chemical Equivalent
- The Ordinary Multi-Peptide + Copper Peptides 1% Serum (~$32 for 30ml — higher disclosed 1% GHK-Cu concentration, 5x smaller bottle)
- Molecular Incompatibilities
- Direct low-pH L-Ascorbic Acid or strong AHA/BHA in the exact same layer (low pH can hydrolyse Copper Tripeptide-1; alternate AM/PM)
Section V · Regimen Clash Check
Will The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG) Clash With Your Routine?
Add the rest of your routine after COSRX The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG) and run the check — it cross-examines retinoids, acids, vitamin C, spicules and occlusives, privately in your browser.
Empirical Buyer Synthesis
What Buyers Actually Report
[r/AsianBeauty] [r/30PlusSkinCare]: Packaged in a generous 150ml pump bottle (~$0.17/ml), this fragrance-free, watery first-step booster combines six signaling/neuro-modulating peptides (Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-8, Oligopeptide-68, SYN-AKE, SH-Polypeptide-121) with Niacinamide, Acetyl Glucosamine and a full NMF amino-acid complex. Far better value than $68+ Western peptide creams.
Verbatim INCI Composition
Full Ingredient List
Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Acetyl Hexapeptide-8, Copper Tripeptide-1, SH-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Serine, Alanine, Glycine, Threonine, Arginine, Proline, Betaine, Sodium PCA, Sodium Lactate, PCA, Glutamic Acid, Lysine HCl, Tocopherol, Dextran, Glycine Soja (Soybean) Oil, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, t-Butyl Alcohol, Potassium Sorbate, Sodium Oleate
Source: inkeedecoder.com. Check the pack — formulas change.
Section V · Compare
Compare Against Peer Formulations
The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG) beside the closest formulations in the index — same active family first, then the nearest related one — with a routine-conflict and washout summary.
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The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG)
COSRX · $25 USD
Barrier / Peptide / Hydrator · this dossier
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Atobarrier 365 Cream
Aestura · $30 USD
Barrier / Peptide / Hydrator
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Cicaplast Baume B5+ Soothing Therapeutic Cream
La Roche-Posay · $18 USD
Barrier / Peptide / Hydrator
Field Notes
Frequently Asked Questions
Is COSRX The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG) worth it?
Beauty.net verdict: Hidden Gem. Creator hype 79/100 against buyer efficacy 87/100. [r/AsianBeauty] [r/30PlusSkinCare]: Packaged in a generous 150ml pump bottle (~$0.17/ml), this fragrance-free, watery first-step booster combines six signaling/neuro-modulating peptides (Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-8, Oligopeptide-68, SYN-AKE, SH-Polypeptide-121) with Niacinamide, Acetyl Glucosamine and a full NMF amino-acid complex. Far better value than $68+ Western peptide creams. Best for: All skin types wanting lightweight peptide + NMF prep under retinoids or moisturiser.
What should I not mix with COSRX The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG)?
Direct low-pH L-Ascorbic Acid or strong AHA/BHA in the exact same layer (low pH can hydrolyse Copper Tripeptide-1; alternate AM/PM) Run your full routine through the Regimen Clash Check to catch other conflicts.
What is a cheaper dupe or chemical equivalent for COSRX The 6 Peptide Skin Booster Serum (Copper Tripeptide-1 + Argireline + NAG)?
The Ordinary Multi-Peptide + Copper Peptides 1% Serum (~$32 for 30ml — higher disclosed 1% GHK-Cu concentration, 5x smaller bottle) Compare the INCI lists — a shared hero active matters more than the brand.