COSRX 6X Peptide Collagen Booster Toner Serum with Copper Peptides(5.07 Fl.Oz, 150mL)
A lightweight, multi-peptide “booster” serum that combines six different peptides along with niacinamide and hyaluronic acid to support firmness, radiance, texture refinement, and pore/sebum balance.
It’s formulated to act as an early step in the skincare routine (right after cleansing) to enhance the efficacy of subsequent products.
Product Description +
• COSRX is a science-based Korean skincare brand dedicated to creating effective, minimalist formulas that focus on skin health. Guided by the philosophy “Expecting Tomorrow,” COSRX designs products that build confidence through real results.
• Skin Types: Works for most skin types, including normal, combination, dry, and sensitive skin (though patch testing is always advised).
• Skin Concerns: Early signs of aging (fine lines, loss of firmness), Dull, uneven texture or tone, Pores / excess oil, Dehydration, Need for a “booster” to enhance overall skin condition
• Item Form: Serum / booster (liquid / lightweight texture)
• Package Description: Comes in 150 mL (≈ 5.07 fl oz) bottle / container format.
Key Benefits +
Firming & anti-aging: helps stimulate collagen and elastin, reducing the appearance of fine lines.
Improves skin texture / tone: refines surface, helps even out tone, smooths roughness.
Sebum / pore control: certain peptides in the formula aim to regulate excess oil and minimize pore appearance.
Hydration + barrier support: includes humectants like glycerin, sodium hyaluronate, and soothing ingredients.
Lightweight, non-sticky finish: designed to absorb quickly without feeling heavy.
Ingredients +
Here is a representative (but potentially non-exhaustive) INCI list (from Ulta & ingredient decoders) for The 6 Peptide Skin Booster:
Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, Betaine, t-Butyl Alcohol, Sodium PCA, Sodium Lactate, Acetyl Hexapeptide-8, Copper Tripeptide-1, SH-Polypeptide-121, Serine, Alanine, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Glycine, Glutamic Acid, Lysine HCl, Threonine, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Arginine, Tocopherol, Oligopeptide-68, Proline, Dextran, Palmitoyl Tripeptide-8, Glycine Soja (Soybean) Oil, Hydrogenated Lecithin, Potassium Sorbate, Sodium Oleate.
How to Use +
After cleansing (and optionally toning), dispense a few drops into your palm.
Gently spread over the entire face and press in or pat to aid absorption.
You can use it daily (morning or evening) and layer other serums / moisturizers over it.








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