COSRX The 6 Peptide Skin Booster Serum

COSRX The 6 Peptide Skin Booster Serum is a lightweight, toner-like peptide booster designed to improve the appearance of firmness, pores, uneven texture and dullness while helping prepare the skin for the next steps of a skincare routine.

The watery, non-sticky formula combines 6 different peptides with niacinamide, sodium hyaluronate, N-acetyl glucosamine, allantoin, amino acids and moisturizing factors. It absorbs quickly and can be used as the first treatment step after cleansing to support smoother, more hydrated and more resilient-looking skin. COSRX recommends it for all skin types and for layering with other serums or moisturizers.

Benefits

• Helps improve the appearance of firmness and elasticity.
• Helps refine the appearance of pores and uneven texture.
• Supports a brighter and more even-looking complexion.
• Provides lightweight hydration without stickiness.
• Helps prepare the skin for subsequent skincare products.
• Suitable for all skin types.

Who is it for

• All skin types.
• Skin with visible pores or uneven texture.
• Dull and tired-looking skin.
• Skin with early signs of reduced firmness.
• Skin in need of lightweight hydration.

Main ingredients

• Acetyl Hexapeptide-8 – helps support smoother-looking skin.
• Copper Tripeptide-1 – helps support skin firmness and overall skin condition.
• sh-Polypeptide-121 – peptide used to support skin-conditioning care.
• Dipeptide Diaminobutyroyl Benzylamide Diacetate – helps support smoother-looking skin.
• Oligopeptide-68 – helps support a more even-looking complexion.
• Palmitoyl Tripeptide-8 – helps soothe and support skin comfort.
• Niacinamide – helps improve the appearance of uneven tone and support the skin barrier.
• Sodium Hyaluronate – helps attract and retain moisture.
• N-Acetyl Glucosamine – helps support skin smoothness and tone care.
• Allantoin, Betaine & Amino Acids – help maintain hydration and skin comfort.

How to use

After cleansing, apply a few drops of COSRX The 6 Peptide Skin Booster Serum evenly to the face as the first treatment step. Gently pat until absorbed, then follow with ampoule, serum and moisturizer.

FAQ

How many peptides does COSRX The 6 Peptide Skin Booster Serum contain?
The formula contains six different peptides: Acetyl Hexapeptide-8, Copper Tripeptide-1, sh-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68 and Palmitoyl Tripeptide-8.

Can COSRX The 6 Peptide Skin Booster Serum be used with other serums?
Yes. COSRX specifically positions it as a booster used before ampoules, serums and moisturizer, so it is designed for layering within a regular skincare routine.

Is COSRX The 6 Peptide Skin Booster Serum suitable for sensitive or acne-prone skin?
Yes. COSRX states that the product has undergone primary irritation, sensitive-skin irritation and non-comedogenic testing on acne-prone skin.

Warnings

• For external use only.
• Avoid direct contact with eyes.
• Discontinue use if irritation occurs.
• Keep out of reach of children.
• Store away from direct sunlight.