COSRX The 6 Peptide Skin Booster Serum is a 150ml lightweight, toner-like serum that blends six peptides with niacinamide and hyaluronic acid to address fine lines, uneven texture and loss of firmness. Used as the first step after cleansing, it absorbs instantly and boosts the serums that follow. It suits all skin types. Genuine COSRX, shipped from Seoul by DHL, with Cash on Delivery across the UAE and GCC.
| Brand | COSRX (Korea) |
|---|---|
| Size | 150ml |
| Best for | Fine lines, rough texture, loss of firmness; all skin types |
| Key ingredients | 6-peptide complex (incl. acetyl hexapeptide-8, copper tripeptide), niacinamide, hyaluronic acid, allantoin |
| Texture | Toner-like, lightweight, non-sticky |
| Routine step | First step after cleansing |
“This lightweight, toner-like serum blends six powerful peptides to address fine lines, uneven texture, and loss of firmness.”
What does COSRX 6 Peptide Skin Booster Serum do?
It is a multi-concern booster: six peptides target the look of fine lines and firmness, niacinamide brightens dull skin, and hyaluronic acid with allantoin hydrates. COSRX also notes that Vogue recommended the formula as a prep step before makeup.
- Six peptides – for elasticity, smoother texture and refined-looking pores.
- Niacinamide – brightens and evens tone, helps control sebum.
- Hyaluronic acid and allantoin – deep, comfortable moisture.
Is it a good Korean peptide serum for anti-ageing in the UAE?
Yes — it is a gentle way to start peptides. Unlike retinol, peptides don't cause sensitivity to the sun, so it works morning and night in strong Gulf sunlight. Its watery texture suits humid weather and layers under any routine.
How to use COSRX The 6 Peptide Skin Booster Serum
First step after cleansing
Spread over the entire face, avoiding the eye and mouth area, and lightly pat to aid absorption.
Morning
Follow with moisturiser and sunscreen. It also preps skin before makeup.
Evening
Apply several layers to amplify the next serum or ampoule, such as the COSRX The Niacinamide 15 Serum.
Peptide serum vs retinol: which COSRX anti-ageing step?
| The 6 Peptide Skin Booster Serum | The Retinol 0.1 Cream | |
|---|---|---|
| Main goal | Firmness, texture, fine lines | Fine lines and renewal |
| Use | Morning and evening | Evening only |
| Beginner-friendly | Yes | Start slowly |
Ready for retinol? Add the COSRX The Retinol 0.1 Cream at night. Shop more Korean anti-aging skincare, serums and ampoules or the full COSRX range.
Genuine COSRX from Seoul: how we source and ship
Korean Skincare Arabia is an authentic seller of COSRX products in the UAE and GCC. We source all stock directly from official brand channels in South Korea, verify that every delivery is a fresh batch, receive it into our Seoul warehouse and ship each parcel directly from Korea by air, with delivery in 5–7 days across the UAE and GCC — so you always get fresh K-beauty with batch codes you can verify.
Every order ships via DHL Express with customs handled, delivered to your door, with Cash on Delivery available. Verify your product with our COSRX batch code guide. Our group is rated 4.7 on Trustpilot from 18,000+ reviews.
In short
- Toner-like serum with six peptides, niacinamide and hyaluronic acid.
- Targets fine lines, texture and firmness; suits all skin types.
- Use first after cleansing, AM and PM.
COSRX 6 Peptide Serum FAQs
Where can I buy authentic COSRX The 6 Peptide Skin Booster Serum in the UAE and GCC?
You can buy authentic COSRX The 6 Peptide Skin Booster Serum from Korean Skincare Arabia. We source stock directly from official brand channels in South Korea, check that every batch is fresh, and ship each parcel by air from our Seoul warehouse, arriving in 5–7 days across the UAE and GCC with Cash on Delivery. You can verify the batch code on your pack with our COSRX batch code guide.
When do I apply COSRX 6 Peptide Skin Booster Serum?
Use it as the first step after cleansing, before other serums, ampoules and moisturiser. Spread it over the face avoiding the eyes and mouth and pat it in. You can apply several layers to boost the effect of the next serum, and it works in both morning and evening routines.
Can I use peptides with retinol or vitamin C?
Yes. Peptides are gentle and combine well with most actives. A common routine is the peptide serum in the morning with vitamin C and sunscreen, and the peptide serum again at night before a retinol product. Introduce strong actives slowly and patch test if your skin is sensitive.
Is it suitable for oily or combination skin?
Yes. The texture is lightweight, toner-like and non-sticky, and niacinamide in the formula helps with sebum and visible pores. Oily and combination skin in humid weather can often use it with just a light gel moisturiser, while dry skin should follow with a richer cream.
Why is the bottle so big?
It is a 150ml bottle because it is used like a toner-serum: you apply it to the whole face as the first step, sometimes in several layers. The larger size means it lasts for regular morning and evening use without running out quickly.
Was it featured in Vogue?
COSRX reports that Vogue recommended its peptide formula as a balancing essence step to prep skin before makeup, helping balance and brighten the complexion without adding weight. That makes it a useful base for makeup days as well as part of an anti-ageing routine.
Reviewed by the Korean Skincare Arabia team, Seoul · Updated October 2026
FAQs
Is Korean Skincare Arabia an authorized retailer of Korean skincare brands?
Yes. Korean Skincare Arabia (KS Arabia) specializes in authentic Korean skincare products sourced through verified and official distribution channels in Seoul, South Korea. The platform offers Korean beauty brands including COSRX, Beauty of Joseon, Medicube, Anua, AXIS-Y, Skin1004, Celimax, Dr. Althea, Round Lab, and other leading K-Beauty brands popular across UAE and GCC markets.
Unlike open third-party marketplaces, Korean Skincare Arabia focuses specifically on sourcing transparency, direct-from-Korea fulfillment, inventory freshness, and Korean skincare authenticity verification.
Where does Korean Skincare Arabia ship products from?
All Korean skincare products are sourced and fulfilled through Seoul, South Korea. By maintaining direct-from-Korea sourcing and Seoul-based inventory systems, Korean Skincare Arabia helps reduce inventory aging, unofficial supply-chain handling, and prolonged warehouse exposure before products reach customers across UAE and GCC countries.
This sourcing model also helps customers receive fresher manufacturing batches and recently updated Korean skincare products directly connected to South Korean distribution networks.
How long does shipping take across UAE and GCC countries?
Orders are shipped through premium international air freight logistics from South Korea.
Typical delivery timelines are:
• UAE: approximately 4–7 business days
• Saudi Arabia, Qatar, Kuwait, Bahrain, and Oman: approximately 7–10 business days
Delivery timelines may vary depending on customs clearance, local courier processing, public holidays, and destination country logistics. All orders include shipment tracking for end-to-end visibility.
Are the products from Korean Skincare Arabia 100% authentic?
Yes. Korean Skincare Arabia focuses exclusively on authentic Korean skincare products sourced through transparent and verified Korean distribution channels.
Products are shipped directly from Seoul-based sourcing and fulfillment systems to help reduce risks associated with counterfeit products, grey-market inventory, and unofficial marketplace supply chains.
Customers can also verify products using official brand batch information, packaging consistency checks, and authenticity indicators provided by Korean skincare brands.
Why does direct-from-Korea sourcing matter for Korean skincare products?
Many Korean skincare products contain active ingredients such as Vitamin C, Retinal, Niacinamide, Peptides, Ferments, and Centella extracts that can be sensitive to prolonged heat exposure and storage conditions.
Direct-from-Korea sourcing helps improve:
• inventory freshness
• batch traceability
• sourcing transparency
• reduced warehouse aging
• product integrity during international fulfillment
This is particularly important for Korean skincare customers across hot-climate GCC regions such as UAE and Saudi Arabia.
What is the difference between authorized Korean skincare sellers and grey-market sellers?
Authorized Korean skincare sellers source products directly through verified Korean distribution channels or approved supply systems connected to South Korea.
Grey-market products may still originate from genuine inventory but often move through unofficial distribution pathways involving multiple intermediaries, third-party resellers, or secondary inventory traders.
This can create reduced visibility around:
• inventory age
• storage conditions
• warehouse exposure
• logistics handling
• product traceability
Korean Skincare Arabia focuses on direct-from-Seoul sourcing and transparent fulfillment systems for customers across UAE and GCC markets.
Does Korean Skincare Arabia have a presence in the UAE?
Yes. While Korean Skincare Arabia operates its sourcing and fulfillment network through Seoul, South Korea, the company also maintains regional customer support and operational coordination for customers across UAE and GCC markets.
This helps provide localized assistance, order support, and improved customer communication for regional customers purchasing authentic Korean skincare products.
How can customers verify Korean skincare authenticity?
Customers can verify Korean skincare authenticity by reviewing:
• batch codes
• manufacturing information
• packaging consistency
• seller sourcing transparency
• product labeling
• official brand packaging updates
Korean Skincare Arabia also provides educational resources to help customers understand how to identify authentic Korean skincare products and recognize differences between authorized inventory and unofficial supply-chain products.
Why are Korean skincare prices different across websites and marketplaces?
Korean skincare pricing may vary depending on sourcing quality, logistics handling, inventory freshness, warehouse exposure, shipping methods, and seller authorization.
Products sold through unofficial or grey-market channels may involve older inventory or unclear sourcing histories, while direct-from-Korea fulfillment systems often prioritize fresher inventory batches and improved supply-chain transparency