Head to Head
K18 Peptide Prep Color-Safe Detox Clarifying Shampoo vs The Ordinary Multi-Peptide + Copper Peptides 1% Serum, 30ml
A side-by-side comparison of specs, price, and where each one wins.
Specs, side by side
| Feature | K18 Peptide Prep Color-Safe Detox Clarifying Shampoo | The Ordinary Multi-Peptide + Copper Peptides 1% Serum, 30ml |
|---|---|---|
| Price | $56.00 | $39.50 |
| Clarifying surfactant system | pH-optimized | — |
| Buildup targets | Product, oils, metals, pollutants | — |
| Role | Periodic reset | — |
| Price position | $56 CAD | — |
| Copper peptide complex (copper tripeptide-1 / GHK-Cu) | — | 1% total complex, individual GHK-Cu level undisclosed |
| Matrixyl-family peptides (palmitoyl tripeptide-1, palmitoyl tetrapeptide-7, palmitoyl tripeptide-38) | — | Undisclosed |
| Acetyl hexapeptide-8 and dipeptide diaminobutyroyl benzylamide diacetate | — | Undisclosed |
| Multi-molecular-weight hyaluronic acid complex + amino acids | — | Undisclosed |
| Lactococcus ferment lysate (probiotic complex) | — | Undisclosed |
K18 Peptide Prep Color-Safe Detox Clarifying Shampoo
An excellent clarifier serving a real need, the periodic deep reset that gentle routines require, at a price only committed K18-system users and hard-water sufferers are likely to justify.
Best for: Sulfate-free devotees whose hair accumulates buildup, hard-water households fighting mineral dullness, and K18 mask users prepping for treatment nights.
Read the full review →The Ordinary Multi-Peptide + Copper Peptides 1% Serum, 30ml
The cheapest serious copper peptide serum on the shelf, priced so that a real three-month trial costs less than one bottle of the competition.
Best for: Anyone who wants to try copper peptides without spending three figures, and people building a simple PM routine aimed at firmness, fine lines and texture over a 3 to 6 month horizon.
Read the full review →