Best COSRX 6X Peptide Korean Toner Serum

The COSRX 6X Peptide Collagen Booster Toner Serum is a unique skincare solution, ideal for those seeking to:

• Combat fine lines and wrinkleswith the power of 6 peptides, including copper peptides, that work to boost collagen and restore skin elasticity. Brighten dull or uneven skin tone — Niacinamide helps fade dark spots and promotes a more even complexion.
• Hydrate and plump the skin— Hyaluronic acid delivers deep hydration, making the skin look smoother and bouncier.
• Support skin repair and barrier strength— Peptides and copper peptides help the skin recover from environmental stress and strengthen its natural barrier.

It’s designed to seamlessly fit into your daily routine, making it a comfortable choice for all skin types (oily, dry, sensitive, or combination) and layers smoothly under moisturizer or sunscreen.

Best for:

• Anti-aging care
• Dull or dehydrated skin
• Uneven tone and texture
• Skin barrier repair

Morning Routine

1. Cleanser
2. COSRX 6X Peptide Collagen Booster Toner Serum
3. Lightweight moisturizer
4. Sunscreen

Evening Routine

1. Double cleanse (Oil cleanser + water-based cleanser)
2. COSRX 6X Peptide Collagen Booster Toner Serum
3. Niacinamide or peptide serum (if desired)
4. Rich night cream or sleeping mask

The lightweight essence texture absorbs fast—hydrating deeply with hyaluronic acid while helping to restore elasticity and even out tone. It strengthens your skin barrier, softens fine lines, and supports collagen production for a plumper, more resilient complexion.

Key Benefits:

• Firms and lifts with 6X Peptide Complex & Copper Peptides
• Brightens dull skin and refines texture with Niacinamide
• Deeply hydrates and soothes with Hyaluronic Acid
• Supports collagen renewal and elasticity
• Suitable for all skin types, including sensitive skin

Key Ingredients

• The formula features six peptides(including SH-Polypeptide-121, Copper Tripeptide-1, Oligopeptide-68, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate) designed to improve firmness, texture, pores, and skin tone.
• Other major activities:

• Niacinamide— for brightening skin tone, barrier support, and Oil/sebum regulation.
• Sodium Hyaluronate (a form of hyaluronic acid)— for hydration and skin plumping.
• Amino acids & humectants(glycine, serine, alanine, arginine, etc) to support moisture and skin structure

Full/Cleaned Ingredient List

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, PCA, 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, simply apply 2–3 drops of this serum to your face and neck. Pat gently until absorbed, follow with moisturizer, and you’re done. Incorporating this potent serum into your daily skincare routine, morning and night, is as easy as that.