--- product_id: 543002746 title: "COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz" brand: "cosrx" price: "29843CFA" currency: XOF in_stock: true reviews_count: 13 category: "Cosrx" url: https://www.desertcart.sn/products/543002746-cosrx-6x-peptide-collagen-skin-booster-toner-serum-for-dull store_origin: SN region: Senegal --- # boosts radiance & reduces fine lines ultra-light, fast-absorbing watery texture 6 potent peptides for skin renewal COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz **Brand:** cosrx **Price:** 29843CFA **Availability:** ✅ In Stock ## Summary > ✨ Unlock your skin’s glow-up with peptide-powered precision! 🧬 ## Quick Answers - **What is this?** COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz by cosrx - **How much does it cost?** 29843CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/543002746-cosrx-6x-peptide-collagen-skin-booster-toner-serum-for-dull) ## Best For - cosrx enthusiasts ## Why This Product - Trusted cosrx brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Radiance Revival:** Brightens dull, uneven skin tone while reducing hyperpigmentation and redness for a fresh, even complexion. - • **Peptide Powerhouse:** 6 peptides including copper peptides visibly improve elasticity, fine lines, and pores for a youthful glow. - • **Weightless Hydration:** Toner-serum hybrid absorbs instantly, prepping skin for flawless layering without heaviness or stickiness. - • **Multi-Tasking Booster:** Enhances absorption and effectiveness of your entire skincare routine, from essences to moisturizers. - • **Clean & Gentle Formula:** Free from parabens, sulfates, phthalates, fragrance, and BPA—perfect for sensitive and all skin types. ## Overview COSRX 6X Peptide Collagen Skin Booster Toner Serum is a lightweight, fast-absorbing essence enriched with six peptides including copper peptides. Designed as the first step in your skincare routine, it improves skin elasticity, reduces fine lines, controls pores, and brightens dull, uneven skin. This paraben-free, fragrance-free formula enhances the absorption of subsequent products while delivering visible skin renewal and hydration for all skin types. ## Description desertcart.com: COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz | Preps Skin with Copper Peptides, GHK-Cu for Uneven Skin Texture, Skin Renewal Boosting Facial Essence, Korean Skin Care : Beauty & Personal Care Review: Significant improvement in my skin tone and texture - I've been using this for well over a year and I use it after I get out of the shower in the morning, and at night when I wash my face. It allows for deeper penetration of other skin care products and I've noticed a huge difference in the texture of my skin as well. It is highly effective with no scent. I have a very mild case of rosacea (self diagnosed, lol). But this has made a significant difference in evening my skin tone and getting rid of the redness. I also apply it to my neck and chest area and have noticed a difference as well, in the way my other products work after applying it. Especially products used to lighten any dark spots like freckles etc. I've noticed a HUGE difference in that area. Because I am fair skinned, unfortunately I am prone to freckles since I was younger. So if I go out in the sun, I get sprinkled with freckles on my nose and upper cheeks as well as my chest and shoulders and although I use SPF, I do live in Florida and I've noticed since moving here from the north my skin looks so much worse. But when using this along with some other dark spot remover products it has made a huge difference in the way the products work! It's a very watery consistency but do not put it on a pad like you would for a toner this is not a toner you want it to absorb into your skin as much as possible. It is not thick at all it comes out basically like water and soaks right into your skin with a few light pads give it about a minute and you'll be ready to move on to your next step in your skincare routine. For the price I think the value for your money is excellent! I will never not have this in my skincare routine, two thumbs up and if I had more thumbs I'd give it more! Haha! And five stars, if I could give it more stars I would! Review: A Lightweight Booster That Instantly Smooths and Brightens - The COSRX 6X Peptide Collagen Skin Booster Toner Serum is one of those rare “first step” products that actually makes a visible difference. The texture is ultra‑light — almost watery — but it absorbs immediately and leaves the skin feeling smoother and more refreshed. It’s packed with six peptides and collagen, so it gives the skin a subtle plumping effect right after application. After using it consistently, I noticed my complexion looking more even and less dull. It layers beautifully under serums and moisturizers, and it really does help the rest of your routine absorb better. This booster adds that healthy, hydrated glow without any heaviness or stickiness. It’s gentle, fast‑absorbing, and perfect for prepping the skin for the rest of your routine. A great choice for anyone dealing with dullness, uneven tone, or loss of firmness. ## Features - Skin Booster Toner: Skin Boosting Serum with 6 Peptides including Copper Peptides that improve skin elasticity, fine lines, pores, and radiance. Boost your skin's condition and achieve multiple benefits with this serum. - First Step of Skincare: This lightweight serum with a toner-like texture absorbs quickly into the skin, making it a great first step in your daily skincare routine. Its quick absorption allows for easy layering with other products. - Key Ingredients: 6 Peptides that boost skin elasticity, reduce post hyperpigmentation, control pores, renew skin, calm and alleviate skin, and improve the look of fine lines and wrinkles. - How to Use: After cleansing, apply 2-3 pumps of the Serum on your face. Layer on your favorite moisturizer for additional hydration. Best when used with the COSRX Snail 96 Essence and/or the COSRX Retinol 0.1 Cream. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CCJ3SRB9 | | Active Ingredients | peptides | | Best Sellers Rank | #638 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #23 in Facial Serums | | Brand | COSRX | | Brand Name | COSRX | | Customer Reviews | 4.6 out of 5 stars 12,349 Reviews | | Global Trade Identification Number | 08809598455658 | | Item Form | Essence | | Item Type Name | Liquid | | Item Volume | 150 ml | | Item Weight | 150 g | | Manufacturer | COSRX | | Manufacturer Part Number | SC40TR34 | | Material Features | Paraben Free | | Material Type Free | Bisphenol A Free, Fragrance Free, Phthalate Free, Sulfate Free | | Model Number | SC40TR34 | | Number of Items | 1 | | Product Benefits | Radiant Skin | | Recommended Uses For Product | Collagen Booster,Reduces Hyperpigmentation,Targets Acne,Moisturizing,Reduces Fine Lines And Wrinkles | | Scent | 6 Multi Peptide Complex (1 Pack) | | Scent Name | 6 Multi Peptide Complex (1 Pack) | | Skin Tone | All | | Skin Type | All | | Special Ingredients | Peptide | | Target Use Body Part | Face | | Unit Count | 5.07 Fluid Ounces | | Use for | Face | ## Product Details - **Product Benefits:** Radiant Skin - **Scent:** 6 Multi Peptide Complex (1 Pack) - **Skin Type:** All - **Special Ingredients:** Peptide - **Use for:** Face ## Images ![COSRX 6X Peptide Collagen Skin Booster Toner Serum for Dull Skin, 5.07 oz - Image 1](https://m.media-amazon.com/images/I/61ZNyaBF0CL.jpg) ## Available Options This product comes in different **Scent** options. ## Questions & Answers **Q: Can this be used on sensitive skin?** A: The 6 Peptide Booster Serum has been clinically tested to be safe to use on sensitive skin. However, a patch test on the body is highly recommended before using on the face for all skincare products. **Q: Can this be applied alone?** A: Yes, the Serum can be applied by itself, but it helps maximize benefits when applied with other active ingredients. The easy to layer and fast-absorbing texture makes it easy to use before applying heavier moisturizers on the skin. **Q: How do I know if this product is authentic?​** A: To ensure the authenticity of the product, please make sure you are purchasing the product from COSRX Inc. ​The authenticity of the product cannot be promised when purchased from sellers other than COSRX Inc. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Significant improvement in my skin tone and texture *by K***E on February 21, 2026* I've been using this for well over a year and I use it after I get out of the shower in the morning, and at night when I wash my face. It allows for deeper penetration of other skin care products and I've noticed a huge difference in the texture of my skin as well. It is highly effective with no scent. I have a very mild case of rosacea (self diagnosed, lol). But this has made a significant difference in evening my skin tone and getting rid of the redness. I also apply it to my neck and chest area and have noticed a difference as well, in the way my other products work after applying it. Especially products used to lighten any dark spots like freckles etc. I've noticed a HUGE difference in that area. Because I am fair skinned, unfortunately I am prone to freckles since I was younger. So if I go out in the sun, I get sprinkled with freckles on my nose and upper cheeks as well as my chest and shoulders and although I use SPF, I do live in Florida and I've noticed since moving here from the north my skin looks so much worse. But when using this along with some other dark spot remover products it has made a huge difference in the way the products work! It's a very watery consistency but do not put it on a pad like you would for a toner this is not a toner you want it to absorb into your skin as much as possible. It is not thick at all it comes out basically like water and soaks right into your skin with a few light pads give it about a minute and you'll be ready to move on to your next step in your skincare routine. For the price I think the value for your money is excellent! I will never not have this in my skincare routine, two thumbs up and if I had more thumbs I'd give it more! Haha! And five stars, if I could give it more stars I would! ### ⭐⭐⭐⭐⭐ A Lightweight Booster That Instantly Smooths and Brightens *by J***N on July 9, 2026* The COSRX 6X Peptide Collagen Skin Booster Toner Serum is one of those rare “first step” products that actually makes a visible difference. The texture is ultra‑light — almost watery — but it absorbs immediately and leaves the skin feeling smoother and more refreshed. It’s packed with six peptides and collagen, so it gives the skin a subtle plumping effect right after application. After using it consistently, I noticed my complexion looking more even and less dull. It layers beautifully under serums and moisturizers, and it really does help the rest of your routine absorb better. This booster adds that healthy, hydrated glow without any heaviness or stickiness. It’s gentle, fast‑absorbing, and perfect for prepping the skin for the rest of your routine. A great choice for anyone dealing with dullness, uneven tone, or loss of firmness. ### ⭐⭐⭐⭐⭐ One of the most underrated "support" products in my skincare routine *by L***A on July 2, 2026* I've been using the COSRX The 6 Peptide Skin Booster Serum for a little over a year and a half, and after going through multiple bottles, I can confidently say it's earned a permanent spot in my skincare routine. It's not the kind of product that delivers dramatic overnight results, but it's one of those formulas that quietly improves the performance of everything you apply afterward. Sometimes those end up being the products worth repurchasing the most. The texture is one of my favorite things about it. It's lightweight and watery—almost like an essence—but has just enough body to spread easily across the skin. It absorbs within seconds, leaves no sticky residue, and layers beautifully under every serum, moisturizer, sunscreen, and even makeup I've tried. One thing I really appreciate is the ingredient lineup. As the name suggests, it contains six different peptides, which help support the skin barrier and improve the appearance of elasticity over time. It also includes niacinamide to brighten the complexion and help refine the look of pores, along with hyaluronic acid to provide lightweight hydration. While I don't expect any one ingredient to perform miracles, I like that this formula focuses on supporting overall skin health rather than relying on harsh actives. It's gentle enough for daily use, even on my sensitive skin. I get the best results when I apply it immediately after exfoliating, and I also use it with my Medicube Age Booster Pro in Booster Mode. It provides the perfect amount of slip for the device, but more importantly, I've genuinely noticed that my skincare absorbs much better afterward. My skin feels like it drinks in the rest of my routine instead of having products just sit on the surface. After using it consistently for over 18 months, my skin looks smoother, more hydrated, and noticeably more radiant. One of the biggest compliments I receive is that my skin has a healthy "glass skin" glow, and I honestly think this serum has been one of the key products that helped me achieve that. It leaves my skin looking fresh and luminous without ever feeling greasy or heavy. Pros: - Lightweight, essence-like texture that absorbs quickly - Six-peptide formula with niacinamide and hyaluronic acid - Helps improve the absorption of the skincare applied afterward - Layers beautifully with other skincare and makeup - Gentle enough for daily use on sensitive skin - Leaves skin looking hydrated, smooth, and radiant - Pairs exceptionally well with the Medicube Age Booster Pro Cons: - Results are gradual, so consistency is important. - If you're looking for dramatic overnight changes, this isn't that type of product. After more than a year and a half of consistent use, this is one of the few products I automatically repurchase before I run out. It doesn't rely on flashy claims or instant results—it simply makes my entire skincare routine work better. If your goal is healthier, more hydrated, glowing skin over time, I think this serum is absolutely worth adding to your routine. ## Frequently Bought Together - COSRX 6X Peptide Collagen Booster Toner Serum, Niacinamide & Hyaluronic Acid Facial Essence for All Skin Types, Korean Skin Care, Paraben Free, 150mL/5.07 Fl.Oz - COSRX Snail Mucin 92% Face Moisturizer, 3.52 Oz, Lightweight Moisturing Cream for Soft, Glowy Skin, Korean Skin Care, Korean Moisturizer Face Cream --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/543002746-cosrx-6x-peptide-collagen-skin-booster-toner-serum-for-dull](https://www.desertcart.sn/products/543002746-cosrx-6x-peptide-collagen-skin-booster-toner-serum-for-dull) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-08-22*