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Multi-Peptide + Copper Peptides 1% Serum vs The 6 Peptide Skin Booster Serum: which is better?

The choice comes down to gradual plumping and fine-line care versus lightweight hydration and smoother layering.

Reddit’s pick

The 6 Peptide Skin Booster Serum

  • Rated higher: The 6 Peptide Skin Booster Serum — 94 vs 83 nextscore

COSRX 6 Peptide Skin Booster receives a strongly positive balance of verdicts for lightweight hydration and easy layering; though results can stay subtle, it excels as a skin-prep step.

Choose Multi-Peptide + Copper Peptides 1% Serum if

  • you want gradual plumping and fine-line softening
  • you prefer an unscented, water-based peptide serum

Choose The 6 Peptide Skin Booster Serum if

  • you want lightweight hydration that layers smoothly under makeup
  • you prefer a watery peptide-and-niacinamide essence

At a glance

Multi-Peptide + Copper Peptides 1% SerumThe 6 Peptide Skin Booster Serum
—$0.10/ml
83 · 59 verdicts94 · 94 verdicts
Peptides bothNiacinamide, Peptides both

What Reddit says

Multi-Peptide + Copper Peptides 1% Serum

What Reddit likes

  • Broad peptide blend for long-game anti-aging
  • Plumping hydration becomes noticeable after consistent use
  • Unscented, water-based formula

Watch out for

  • Sticky texture pills under layered routines
  • Exact peptide concentrations are not disclosed
  • Can burn or trigger breakouts on reactive skin, especially around retinoids
See the Reddit threads on Multi-Peptide + Copper Peptides 1% Serum

The 6 Peptide Skin Booster Serum

What Reddit likes

  • Watery toner-serum texture; layers under everything
  • Excellent skin-prep step for smoother layering and makeup
  • Lightweight hydration without a heavy finish

Watch out for

  • Results can stop at mild hydration and a little glow
  • Breakouts reported around the jawline
  • Can trigger redness, flushing, or blotchiness
See the Reddit threads on The 6 Peptide Skin Booster Serum
Compare full ingredient lists · 22 in common

In both · 22

  1. Aqua (Water)
  2. Glycerin
  3. Copper Tripeptide-1
  4. Acetyl Hexapeptide-8
  5. Dipeptide Diaminobutyroyl Benzylamide Diacetate
  6. Sodium Hyaluronate
  7. Allantoin
  8. Glycine
  9. Alanine
  10. Serine
  11. Proline
  12. Threonine
  13. Arginine
  14. Sodium PCA
  15. PCA
  16. Sodium Lactate
  17. Citric Acid
  18. Butylene Glycol
  19. Pentylene Glycol
  20. Xanthan Gum
  21. Caprylyl Glycol
  22. Ethylhexylglycerin

Only in Multi-Peptide + Copper Peptides 1% Serum · 27

  1. Lactococcus Ferment Lysate
  2. Pentapeptide-18
  3. Palmitoyl Tripeptide-1
  4. Palmitoyl Tetrapeptide-7
  5. Palmitoyl Tripeptide-38
  6. Acetylarginyltryptophyl Diphenylglycine
  7. Sodium Hyaluronate Crosspolymer
  8. Valine
  9. Isoleucine
  10. Histidine
  11. Phenylalanine
  12. Aspartic Acid
  13. Trehalose
  14. Fructose
  15. Glucose
  16. Maltose
  17. Urea
  18. Hydroxypropyl Cyclodextrin
  19. Sodium Chloride
  20. Sodium Hydroxide
  21. Acacia Senegal Gum
  22. Carbomer
  23. Polysorbate 20
  24. Dimethyl Isosorbide
  25. Sodium Benzoate
  26. Phenoxyethanol
  27. Chlorphenesin

Only in The 6 Peptide Skin Booster Serum · 22

  1. Dipropylene Glycol
  2. 1,2-Hexanediol
  3. Niacinamide
  4. Sh-Polypeptide-121
  5. Oligopeptide-68
  6. Palmitoyl Tripeptide-8
  7. Acetyl Glucosamine
  8. Betaine
  9. Glutamic Acid
  10. Lysine HCL
  11. Tocopherol
  12. Dextran
  13. Glycine Soja (Soybean) Oil
  14. Hydrogenated Lecithin
  15. Ammonium Acryloyldimethyltaurate/VP Copolymer
  16. Polyacrylate Crosspolymer-6
  17. Adenosine
  18. Polyquaternium-51
  19. Disodium EDTA
  20. T-Butyl Alcohol
  21. Potassium Sorbate
  22. Sodium Oleate

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