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COSRX

COSRX The 6 Peptide Skin Booster Serum 150ml & 30ml Set

Regular price
$24.99
Regular price
Sale price
$24.99

A lightweight, toner-like peptide serum set with a 150ml bottle and 30ml mini for the first step after cleansing.

Key Benefits

A toner-like serum with six peptides for a smoother, hydrated-looking complexion.

A lightweight texture that layers easily with the rest of your routine.

Includes a 30ml mini alongside the 150ml bottle.

How to Use

After cleansing, apply as the first step of skincare or before another ampoule or serum.

Spread gently along the skin texture and pat until absorbed. A further thin layer may be applied as desired.

Follow with your usual serum or moisturiser. Both bottles contain the same Skin Booster Serum formula.

What's Included

One COSRX The 6 Peptide Skin Booster Serum 150ml.

One COSRX The 6 Peptide Skin Booster Serum mini 30ml (180ml total).

Other serums, creams and routine products pictured in the original guide are for reference and are not included.

Ingredients

Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Acetyl Hexapeptide-8, Copper Tripeptide-1, sh-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Serine, Alanine, Glycine, Threonine, Arginine, Proline, Betaine, Sodium PCA, Sodium Lactate, PCA, Glutamic Acid, Lysine HCl, Tocopherol, Dextran, Glycine Soja (Soybean) Oil, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, t-Butyl Alcohol, Potassium Sorbate, Sodium Oleate.

Shipping information

- Processed within 1–7 business days.
- Delivery time: 7–20 business days after dispatch.
- Fully tracked shipping on all orders.

Returns & refunds

- 14-day returns on eligible items.
- Products must be unused and unopened.
- Damaged or incorrect items? Contact us immediately.

COSRX The 6 Peptide Skin Booster Serum150ml with the actual30ml mini; whole original kit.
Complete original watery texture and application demonstration.
FREE SHIPPING on orders over $100
TRACKED shipping on all orders
14-DAY RETURNS on eligible items

Why Shop Gaeul?

  • Authentic Korean Products

    Sourced directly from Korea — every item is 100% genuine and factory-fresh.

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    Only top-performing skincare, makeup, devices, body & hair care — no clutter, no filler.

  • Worldwide Shipping

    Tracked delivery to 150+ regions, with duties prepaid to most major markets.

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FAQs

Where do you ship from?

All orders are carefully packed and dispatched from our facilities in South Korea.

How long does processing take?

Orders are typically processed within 1–7 business days.
Processing time is separate from delivery time and may vary during high-demand periods.

How long does delivery take?

After dispatch:

  • Express: 7–15 business days
  • Standard: 10–20 business days

Delivery times are estimates and not guaranteed. Delays caused by customs, carrier issues, or local regulations are outside our control.

Can I cancel or change my order?

Changes or cancellations are only possible before dispatch.
Once shipped, orders cannot be modified or cancelled.

Will I pay customs or import fees?

Some countries may apply customs charges based on local regulations.
Customers are responsible for any applicable import fees.

What Clients Are Saying

“My skin drinks this up absolutely no sticky residue, only a fresh glass-skin glow that truly lasts all day long.”

Samantha Blake

“Finally found a toner that calms my redness without feeling heavy. Instant repurchase!”

Olivia Harris

“The cushion leaves a blurred-peach finish that looks like real skin, not makeup.”

Chloe Bennett

“I’ve tried dozens of serums; this one actually fades my dark spots and keeps breakouts away.”

Emma Reynolds

“Love the texture lightweight but deeply hydrating. My morning routine is now 5 minutes faster.”

Grace Whitmore

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