Key ingredients
4.2/5
COSRX's 6X Peptide booster has six peptides, including copper peptide GHK-Cu, in a light toner-like serum.
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6X Peptide Collagen Skin Booster Toner Serum
$14.70
COSRX's 6X Peptide booster has six peptides, including copper peptide GHK-Cu, in a light toner-like serum. It improves elasticity, fine lines, dark marks and pores. Use it as the first step after cleansing so later layers absorb better.
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The Edyt Score
4.4 / 5.0
Targets
4.1/5
This peptide serum is a copper peptide, Six peptides.
Formula standards
4.4/5
The formula is a copper peptide, Six peptides.
The verdict
COSRX's 6X Peptide booster has six peptides, including copper peptide GHK-Cu, in a light toner-like serum.
Compare against similar products
Side-by-side vs 6 near substitutes (Beauty of Joseon, Drunk Elephant, Naturium, Paula's Choice, Peter Thomas Roth, and RoC). Compare best for, key actives, texture, skin fit, Edyt score, and notes. Swipe sideways to compare.
| Pick | |||||||
|---|---|---|---|---|---|---|---|
| Best for | Dull skin with early lines and marks | Dull, uneven, sensitive skin | Dry skin wanting richness | Texture and fine lines | Sagging and deeper lines | Forehead and frown lines | One-step morning routines |
| Key actives | — | — | — | — | — | — | — |
| Texture | Light, smooth | Serum | Cream | Serum | Serum | Serum | Cream |
| Skin fit | - | Sensitive | Dry | - | - | Most skin types | - |
| Edyt score Methodology: The Edyt Score reflects ingredient profiles, concentration, and formulation standards. It is separate from crowd-sourced user reviews. | 4.4 | 4.6 | 4.5 | 4.5 | 4.6 | 4.4 | 4.3 |
| Notes | Copper peptide, Six peptides | Snail mucin, Ginseng, K beauty | Rich, Fragrance free | Copper peptide, Ferulic, AM PM | Six peptides, Fragrance free, Firming | Argireline, Refillable, Matrixyl | SPF 30, Niacinamide, Daytime |
| $ / size | $14.70 | $13.60 | $72.00 | $24.88 | $59.00 | $65.00 | $22.49 |
| Shop | Buy on AmazonThis page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page |
FAQ
Who is 6X Peptide Collagen Skin Booster Toner Serum best for?
COSRX's 6X Peptide booster has six peptides, including copper peptide GHK-Cu, in a light toner-like serum. It improves elasticity, fine lines, dark marks and pores. Use it as the first step after cleansing so later layers absorb better.
How did Edyt Beauty score this peptide serum?
Edyt Beauty rates 6X Peptide Collagen Skin Booster Toner Serum 4.4 out of 5 from the ingredient list, who it is for, and how the formula is built. That is separate from crowd-sourced user reviews.
How does it compare to similar products?
The compare table above stacks 6X Peptide Collagen Skin Booster Toner Serum against near substitutes for the same shopping job, including picks from Beauty of Joseon, Drunk Elephant, Naturium, Paula's Choice, Peter Thomas Roth, and RoC. For more from the same brand, see More from COSRX below.
Where can I buy it?
Shop 6X Peptide Collagen Skin Booster Toner Serum with the Buy button when it is available. We may earn a commission from qualifying purchases. Prices and availability can change.