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Rating: 4.5Based on 64 reviews
  • Most helpful positive
    The post was made 1 year
    Rating: 5 out of 5

    A New Total Favorite

    My skin has been holding up pretty well without pimples lately, so much better than usual. And I’m pretty convinced that it’s since I started using this lovely product! I actually like everything I’ve tried from COSRX, but nothing has been as effective as this for me. I usually say that there are no miracle products, but this is actually almost one! 🙌 The product comes in a nice bottle with a pump. I usually take 4 pumps for my face. It’s thicker than water, but much lighter than gel. It sinks in very easily into the skin, but I often experience a little sting when I apply it, like niacinamide can do. A little with capital letters, because it’s really not a problem, but I’m also not particularly sensitive. It has a very interesting ingredient list! Hyaluronic acid, amino acids, and NAG are included, allantoin and niacinamide as well. And I can imagine that this product can suit many, with different types of needs for their skin. What I wish for, however, is regulation of oil production and a generally clearer and stronger skin. Take it with a grain of salt, but I feel that’s exactly what I’ve gotten! I’ve used it more intensively than I usually do with products, both morning and night. And I’ve had it as the first step after cleansing my face, because I imagine it’s most effective on completely clean and bare skin. Then I obviously have a whole bunch of products in my skincare routine, who knows if it’s the combination that works or a specific product... But it feels GOOD in any case, and I can absolutely recommend this! I will definitely buy it again when mine runs out, and that’s the best rating 💘 #lykoreview #COSRX #serum Adding this information that I learned the other day, because it doesn’t come up in the presentation of the product: peptides can become ineffective together with retinol, acids, and vitamin C. So use these in different routines OR let this sink in properly for a few minutes before you apply the rest of your routine, to get the most out of the content! 🥰
    14455 views
  • Most helpful negative
    The post was made 1 years
    Rating: 1 out of 5
    verified customer

    Not for sensitive skin

    Sadly this product lets me break out.
    9301 views
  • The post was made 1 day

    Pregnancy Safe?

    Is it safe to use during pregnancy? 😊
    114 views
    • The user's roll: Farmaceut på Lyko. The comment was made 11 hours
      Hi Paulina😊 COSRX The 6 Peptide Skin Booster Serum contains peptides, hyaluronic acid, and niacinamide and lacks retinoids and other ingredients that are usually advised against during pregnancy. Based on the ingredient list, it is therefore considered safe to use. It's good to remember that everyone reacts differently during pregnancy – the skin can become extra sensitive, and that's why I always recommend doing a patch test first to see how your skin reacts🤰🏼 I hope the answer can be helpful and that you have a lovely Friday💫
      1 likes
  • The post was made 2 weeks
    Rating: 4 out of 5
    verified customer

    Large bottle, easy to apply, absorbs quickly.

    I like the bottle, the price, and the volume. Pumps out the right amount easily and feels like I’ll be able to see results before it’s empty, and in that way decide if it’s right for me. If you have a small wound, it might sting if you hit it, but barely 1 second + a little pain can be nice sometimes :)? Holding 1 star because I’m unsure about the results.
    838 views
  • The user's roll: Lyko Creator. The post was made 1 month
    Rating: 5 out of 5

    Very good

    Works really well, an incredible serum!
    1545 views
  • The post was made 1 month

    Together with...

    Hi best Lyko! I wonder if you can use COSRX the 6 Peptide Skin Booster Serum with the following products: Dermaceutic C 25 cream. Dermaceutic Active Retinol 0.5% Beauty of Joseon Revive Eye Serum Ginseng + Retinal (I’m using this all over my face right now). Dermaceutic K ceutic Paulas Choice 2% BHA Liquid Exfoliant The Ordinary Soothing & Barrier Support Serum. Best regards Linda
    1340 views
    • The user's roll: Farmaceut på Lyko. The comment was made 1 month
      Hey best Linda 😊 COSRX Peptide Skin Booster works well to use together with your products and can help strengthen the skin and reduce irritation. Just remember to avoid combining peptides with strong acids or high concentrations of C-vitamin in the same routine. Also, do not combine multiple retinol/retinal products as this can irritate and increase sensitivity in the skin. Great that you are also careful with sun protection🌞 Hope the answer can be helpful and that you have a super nice day💫
      1 likes
  • The user's roll: Lyko Creator. The post was made 1 month
    Rating: 5 out of 5

    Fantastic

    I've been using the COSRX The 6 Peptide Skin Booster Serum for a few weeks now, and I'm really impressed! This serum has become a staple in my skincare routine, and here's why I truly love it: ✨ Lightweight and pleasant consistency. The serum feels almost like a hydrating «skin booster» and absorbs quickly without becoming sticky. It provides a perfect base for the rest of my routine. #lykoreview #lyko
    1281 views
  • The post was made 1 month
    Rating: 5 out of 5
    verified customer

    Lovely product

    The product is really long-lasting and durable. I can immediately feel that my skin is moisturized when I apply this product. 👌🏻
    1120 views
  • The post was made 1 month
    Rating: 3 out of 5
    verified customer

    Average

    I think this is a pretty average product with good ingredients. I didn't notice any difference or anything groundbreaking while using this, but there's nothing negative to say either. If you're looking for a little extra moisture in your skincare routine, this is definitely worth trying.
    1240 views
  • The post was made 1 month
    Rating: 5 out of 5
    verified customer

    Fantastic 🤩

    I have been using this for almost 1 year and I use it in the morning and at night, it absorbs quickly, and I am generous with it, my extremely dry skin loves it. Packed with good peptides SH-Polypeptide-121: Boosts collagen in the skin and leaves it plumped Copper Tripeptide-1: Has a good effect on skin texture Dipeptide Diaminobutyroyl Benzylamide Diacetate: Balances excess sebum Oligopeptide-68: Gives a nice glow Palmitoyl Tripeptide-8: Soothes sensitive skin Acetyl Hexapeptide-8: Smooths fine lines and tightens the skin Suitable for all skin types, and my skin glows from it 🥰 don't forget that all products need time to show results!
    1459 views
  • The post was made 2 months
    Rating: 5 out of 5

    Great Booster for firm skin

    I love this booster serum. I use it as a tone! Day and night. It layers well with my retinol serum; I can feel my skin is firmer. I ran through 3 bottles and will purchase again. So far my Fav toner! I love peptid. I think it is a great product for skin and prevents sagging.
    1478 views
  • The user's roll: Lyko Creator. The post was made 2 months
    Rating: 5 out of 5
    verified customer

    Good

    A serum of 150 ml, so a decent bottle with a simple pump. The consistency is quite runny with buildable coverage, it absorbs well into the skin. I use it after toner before serum in the evening. It is soothing, plumping, and the skin tone looks more even.👍
    1489 views

COSRXThe 6 Peptide Skin Booster Serum 150 ml

Member price168 kr
Previous price: 203 kr
Club Lyko 17% Off
Member price is valid through
Free delivery option available from 300 kr, can be sent immediately

Peptide Skin Booster Serum is a versatile serum containing 6 powerful peptides that improve overall skin condition. The serum's light texture is quickly absorbed into the skin. It effectively reduces sebum production and the visibility of pores. It also increases the skin's firmness, smooths out fine lines, improves both skin texture and skin tone, and has a calming effect.

The formula is rich in niacinamide, which gives new life to dull and sallow skin, and contains hyaluronic acid and allantoin for extra moisture and care.

– Leaves your skin silky smooth.
– Light texture that is quickly absorbed

Use:
After cleansing, you can use this serum as the first step in your skin care routine. Spread the serum over your entire face, as many times as you want, to enhance the effect of your next serum or ampoule.

150 ml
  • Category:6. Serum

Often bought together

337,50 kr
474,80 kr

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