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COSRX The 6 Peptide Skin Booster Serum

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Hydrating
Hydrating
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Moisturizing
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Cleansing
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Anti-aging
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Common Questions

What is the main purpose of this peptide serum?

It acts as a first-step skin booster that preps the skin barrier, refines pores, and enhances the absorption of subsequent skincare products.

How do the six peptides work on the skin?

The peptide complex signals skin cells to support natural elasticity, smooth fine lines, and balance oil production for a firmer complexion.

Is this serum suitable for oily or acne-prone skin?

Yes, the lightweight, water-based texture regulates excess sebum and sinks in completely without clogging pores or feeling sticky.

Can I use this product with other active ingredients like Vitamin C or Retinol?

Yes, its gentle, balancing formula layers seamlessly with other actives to boost overall results.

How does it feel upon application?

It has a refreshing, toner-like consistency that quenches thirsty skin instantly while maintaining a clean, weightless finish.

How often should I incorporate it into my routine?

Apply it twice daily right after cleansing to maximise the efficacy of your daily beauty regimen.

Ingredients

Carboxymethylcellulose Sodium, Polyisobutene, Rosin, Polybutene, Mineral Oil, Centella Asiatica Extract, Polyuethane FilmWater, 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

Shipping policy

Shipping Rates

Free Shipping

  • Canada: Free on orders over $79 CAD (pre-tax)
  • United States: Free on orders over $99 USD (pre-tax)
  • Northwest Territories, Yukon & Nunavut: Free on orders over $199 CAD (pre-tax)

We currently ship to Canada and the United States only.

Flat Rate Shipping

  • Manitoba: $9.95 CAD
  • Alberta, Ontario, Quebec, Saskatchewan: $14.95 CAD
  • British Columbia, Newfoundland & Labrador, Nova Scotia, Prince Edward Island: $18.95 CAD
  • United States: $19.99 USD

Shipping Terms

  • Unique Bunny is not responsible for lost, stolen, damaged, refused, abandoned, unclaimed, or undeliverable parcels.
  • Orders returned due to an incorrect address, refusal, or failure to collect may be subject to reshipping fees. If a refund is approved, the original shipping cost, return shipping charges, and any applicable fees will be deducted.
  • Orders over $200 require a signature upon delivery.

United States Orders

Customers are fully responsible for all customs duties, import taxes, brokerage fees, and other import charges. These fees are determined by U.S. Customs and are not collected by Unique Bunny.

If customs charges are not paid and the parcel is refused, abandoned, or returned, shipping costs, return shipping fees, customs charges, and any related carrier fees are non-refundable and will be deducted from any eligible refund. In many cases, no refund can be issued if the parcel is abandoned or not returned to us.

By placing a U.S. order, you acknowledge and accept responsibility for all customs and import charges.

Delivery times are estimates only and may be affected by customs processing, weather, holidays, carrier delays, strikes, or other circumstances beyond our control.

For any questions, please contact support@uniquebunny.com.

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Why You Will Love COSRX The 6 Peptide Skin Booster Serum

COSRX The 6 Peptide Skin Booster Serum transforms daily skincare by acting as the ultimate foundational prep step for the face. This water-based formula targets enlarged pores, loss of firmness, and uneven tone while priming the skin to absorb subsequent products more efficiently. A powerhouse blend of six unique peptides regulates excess sebum and smooths rough texture without leaving a sticky residue. The lightweight liquid delivers immediate hydration and balance to create a vibrant, healthy glow. Every application sets the stage for a stronger, more resilient complexion.

How to Use:

COSRX The 6 Peptide Skin Booster Serum - Unique Bunny
Multi-Peptide Complex
Combines six unique peptides to address firmness, fine lines, and skin tone in one single step.
Texture Refinement
Works to minimise pore appearance and regulate sebum for a smoother, more matte skin surface.
Prep and Prime
Functions as a high-performance booster that increases the absorption of subsequent serums or moisturisers.
Weightless Hydration
Features a toner-like consistency that provides deep moisture without any greasy or tacky feeling.

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