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COSRX dupes list

Prices and sellers checked Nov 7, 2026 · How we choose

2 COSRX products stand in for luxury originals from K18 (1) and rhode (1), up to 93% less per ounce.

COSRX Peptide 132

Now $13.32 for 120 ml on Amazon, 42% off, instead of K18 Leave-In Hair Mask at $75 for 50 ml.

Buy for $13.32 on AmazonFull comparison

2 pairs, biggest saving first

Amazon prices as of Nov 7, 2026, 10:49 AM ET, subject to change: the price on Amazon at checkout is the one that applies. Retail price checked 25 September 2026. We may earn a commission; the price you pay is the same.

More on COSRX

COSRX is part of Amorepacific, alongside LANEIGE.

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Questions

Which luxury products does COSRX dupe?

Peptide 132 Ultra Perfect Hair Bonding Treatment ($13.32) for K18 Leave-In Molecular Repair Hair Mask ($75). Barrier Cream Face Mist ($19.99) for rhode Glazing Mist ($30).

What is the best COSRX dupe?

Peptide 132 Ultra Perfect Hair Bonding Treatment ($13.32) for the K18 Leave-In Molecular Repair Hair Mask ($75), about 93% less per ounce. Both rebuild broken keratin bonds with a low-molecular-weight peptide (K18Peptide in one, Tripeptide-132 in the other), and both are aimed at bleach, color and heat damage.