COSRX • Serum
COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz
Hybrid toner-serum with 6 peptides and copper peptide GHK-Cu to boost elasticity, even skin texture, and revive dullness. Amazon's Choice with 10K+ monthly buyers. Limited-time deal.
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Prices & ratings may change anytime on Amazon & Olive Young · check the retailer for current info. We may earn a commission at no cost to you.
Key ingredients
- 6 Peptide Complex
- Copper Peptide GHK-Cu
- Hyaluronic Acid
- Amino Acids
Pairs well with
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Beauty of Joseon
Beauty of Joseon Glow Serum, Propolis + Niacinamide for Uneven Tone 30ml
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Frequently asked
Is COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz good for sensitive skin?
Yes — its formula is well tolerated by sensitive types. Patch-test first.
Where is it cheapest — Amazon or Olive Young?
Prices rotate with sales. Use the buttons above to compare current retailer prices; Olive Young often bundles minis and limited editions.
Our guides and picks are cosmetic curation for education only — not medical advice. Skin varies person to person: patch-test new products and see a dermatologist for persistent or concerning issues.