COSRX The 6 Peptide Skin Booster Serum 150ml
Curated in Seoul — trusted skincare straight from Korea’s beauty capital.
Official Korean distributors — 100% verified and authentic products only.
Authenticity guaranteed — full refund if not satisfied.
$ 54.25 Original price was: $ 54.25.$ 37.98Current price is: $ 37.98.
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Ideal for all skin types, it provides a multi-functional boost, ensuring your skin feels refreshed, youthful, and deeply nourished with every drop.
49999 in stock
The 6 peptide skin booster serum that will awaken your skin function.
First step serum that provides skin softness and clearness with functionality in anti-wrinkle and skin brightening.
The one and only special multi-peptide formula complete with multi-functions provided by 6 different peptides for solving diverse skin concerns.
Selected 6 effective peptides proven by research papers to provide synergy effect.
A specially designed product that includes skin-friendly energy supporter to maximize multi-functions of 6 different peptides in one bottle.
Low-irritating effect on sensitive skin types by completing primary skin irritation test for sensitive skin.
The special texture alleviates irritation and strengthens effects.
Mild texture that can be perfectly paired with any other ingredients.
The water-based texture that instantly absorbs after application provides skin elasticity and softness right after use.
Recommended for those who have complex skin concerns, want to use first-step skin booster to be paired with any kinds of products, want to use non-sticky refreshing textured serum, and want to boost skincare products.
Contains Copper Tripeptide-1 to help with skin texture improvement.
Contains Dipeptide Diaminobutyroyl Benzylamide Diacetate to help with pore and sebum control.
Contains Oligopeptide-68 to help with skin tone improvement.
Contains Palmitoyl Tripeptide-8 to help with soothing.
Contains Acetyl Hexapeptide-8 to help with anti-wrinkle.
Contains niacinamide to help with skin brightening, pigmentation, and sebum control.
Contains N-acetylglucosamine to help with exfoliation.
Contains adenosine to help with elasticity and wrinkle care.
Contains hyaluronic acid to help with hydration.
Contains NMF to help with skin moisturizing.
Contains allantoine that soothe the skin.
Take adequate amount and gently apply along skin texture from inner to outer side to absorb.
TIP: Apply right after cleansing to strengthen the effects of serum and ampoule.

4 reviews for COSRX The 6 Peptide Skin Booster Serum 150ml
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Bianca Laramie from San Diego, California –
Embracing the sunny sidewalks of San Diego, I’ve come to appreciate little indulgences that my skin adores. Enter COSRX’s latest offering—a lightweight potion forged with a battalion of six peptides in one radiant vessel. From timid dullness to bouncy clarity, I found joy without worry on sensitive days when even thoughts can fluster one’s glow! Comparatively speaking, while many serums get bogged down with thickness or synthetic essence like tacky stardust—this brilliant blend glides as gracefully as Pacific waves brushing the shore.
Not just functional but practically luxurious—it harmonizes easily within any regimen; my favourite mate currently being rose hip oil during early sun-kissed mornings for added warmth and depth. That has elevated how swiftly I step out under southern rays after meticulous application.
Isolde from Dublin, Ireland –
I recently bought the COSRX The 6 Peptide Skin Booster Serum for my sister’s birthday, and let me tell ya, she was over the moon! She’s always been into her skincare routine but has sensitive skin. I loved that this serum is super gentle; it even completed a primary irritation test for sensitive types—perfect for her! Plus, with those six different peptides packed in there, I felt confident it would work wonders on her anti-aging game and brighten up that lovely face of hers. She’s raved about how soft and clear her skin feels after just a few uses. A real gem from K-beauty!
Leif from Oslo, Norway (verified owner) –
I’ve recently had the opportunity to evaluate the COSRX The 6 Peptide Skin Booster Serum, and I must say, its formulation is quite impressive from a scientific perspective. Utilizing six different peptides means it’s not just a simple moisturizer; this serum actively targets multiple skin concerns—such as elasticity loss and uneven tone—through well-researched active ingredients. Each peptide plays a specific role in promoting collagen production and enhancing overall skin health while being mild enough for sensitive complexions—a real boon! Personally, after applying it consistently for two weeks, my skin feels noticeably plumper and more radiant. Additionally, it layers beautifully with other products without causing irritation or pilling. For anyone diving into serious skincare regimens looking at measurable improvements over time, this product should definitely be on your radar.
Ezra from Belfast, Northern Ireland –
After giving the COSRX The 6 Peptide Skin Booster Serum a whirl, I must say it truly stands out in comparison to other serums I’ve tried. Previously, I used The Ordinary’s Niacinamide and it did wonders for my oiliness but left me wanting more hydration and softness. With this peptide serum, though? It feels like I’m slathering on silk! My skin felt noticeably softer right after application without that greasy residue which always puts me off with thicker serums. Plus, no irritation at all—which is quite a relief since most products sting my sensitive skin a bit. This one’s texture makes layering easy; it’s as light as air! And let’s be real—my fine lines have started looking less noticeable too.