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4.1
Based on 44 reviews
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- Most helpful positive
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! 🥰Translated from swedish
22 likes8322 viewsto leave a comment - Most helpful negative6 monthsverified customer
Not for sensitive skin
Sadly this product lets me break out.Translated from german
3 likes4035 viewsto leave a comment - 1 week
Ellen
I googled this product and researched a lot about which products can be combined and which cannot. A skincare specialist said that peptides can be combined with both vitamin C and retinol, and that peptides helped and enhanced the vitamin C and retinol. She recommended using the same routine. Of course, I don't remember her name.. What does the community say/think? 😁Translated from norwegian
539 viewsto leave a comment - 3 weeksverified customer
Wow
…just wow. My skin is amazing with this.Translated from swedish
1233 viewsto leave a comment - 3 weeks
Question about composition
Hi. I use Elixir Niactil 4% serum as a day cream and then sunscreen. Can this be combined with it? And possibly serum vitamin C 23?Translated from norwegian
1188 views- Customer service at Lyko3 weeksHi! 😊 Cosrx The 6 Peptide Skin Booster Serum is a serum with multiple peptides that provides extra moisture and strengthens the skin's barrier. This can absolutely be combined with Elixir Niactil 4% serum, as they both have different functions – Niactil 4% is known for its skin-renewing properties, and the peptide serum gives a good boost to skin health. When it comes to vitamin C serum (23%), it can be a bit more intense, so if you want to use both serums, it is recommended to apply them in layers – start with the vitamin C serum in the morning to get the best out of the antioxidant protection and then the peptide serum for extra moisture. 💧 Always remember to use sunscreen afterwards, as both vitamin C and AHA-like products can make the skin more sensitive to the sun.
to leave a comment - 1 month
Like it a lot
I really like this product. After using it for 5 months, I can actually see a difference in my face. The booster gives a feeling of moisture and a nice tightening of the skin. The peptides in the serum really work – I notice it both on my face and my hands (I always rub the leftovers on my hands). The product also gives a glow that lasts a long time. With regular use, it helps with wrinkles, brightens the skin a bit, moisturizes, and provides nourishment. It works excellently with other serums, toners, and creams.Translated from norwegian
1294 viewsto leave a comment - 1 month
Can you use these two at the same time?
Hi! I wonder if you can use these two products at the same time? 🔺COSRX The Alpha-Arbutin 2 Discoloration Care Serum 🔺COSRX The 6 Peptide Skin Booster If you can't use them at the same time, can you use one in the morning and one in the evening? If so, which one should I use in the morning and which one should I use in the evening? Have a nice weekend! Best, HelenaTranslated from swedish
1290 views- Customer service at Lyko1 monthHey Helena! 👋🤍 Yes, you can use both products, but it's best to split them up in your routine to maximize the effect and reduce the risk of irritation 💃 My best tip 👇 In the morning, use the Peptide Skin Booster, which helps with hydration, elasticity, and strengthening the skin barrier, making it perfect for the day. Follow up with a moisturizing cream and sunscreen (SPF is a must!) 😉☀️ In the evening, use Alpha-Arbutin, which works to even out skin tone and reduce pigmentation, making it perfect for the night when the skin recovers. Apply after cleansing and follow up with a moisturizer 💧🌛 Take care and good luck with your new products 🥰2 likes
to leave a comment - 1 month
Question
Can this be used while breastfeeding?Translated from swedish
1005 views- Customer service at Lyko1 monthHi Madelene! 👋😊 Yes, you can use this product even when you are breastfeeding 🙌 Take care 💜1 likes
to leave a comment - 1 month
Love it!
This was probably the first product from Cosrx I tried, and I was completely converted😍 it actually gave visible improvement to my skin. Provides lots of moisture and glow, I think my skin quickly became more even and less textured. Super light and comfortable in consistency, absorbs quickly into the skin. I can't say enough positive things about this, because it is really actually fantastic good❤️ #lykoreviewTranslated from norwegian
966 viewsto leave a comment - 1 monthverified customer
Perfect for my sensitive skin
I recommend using it morning and night before the actual serum, and in the morning my skin feels wonderfully soft and balanced.944 viewsto leave a comment - 1 month
Niacinamide
How much niacinamide is in this?Translated from swedish
2682 views- Customer service at Lyko1 monthHi Monika 😊👋 I have been in contact with the brand, and they cannot disclose the exact content of niacinamide due to confidentiality reasons. All the best!
to leave a comment Contraindication
I recently learned from the skin therapist Elvira on Youtube about peptides, among other things, that they can become ineffective when combined with retinol, acids, and vitamin C. So I almost think you should add to the description of this product that one should use peptides in a routine separate from these mentioned, alternatively one needs to let this serum sink in thoroughly into the skin before applying the rest. To get the most out of this product, I think it's a good thing to tell people? Or what do you think? Best regards, Johanna 🧐Translated from swedish
13 likes3412 views- Hey Linda, thank you so much for checking this out! Then it should really be what applies if COSRX themselves say so. I’ve written to the skin therapist Elvira and raised the question with her too 😊 Let’s see if I get any response. But great, then my skincare routine will be much easier if it works to combine. Thanks 🙏💕2 likes
to leave a comment
CosrxThe 6 Peptide Skin Booster Serum 150 ml
44 reviews, 4.1 on average
This product is out of stock, and we don't have an exact delivery date. Want an email when it’s back? Click “WATCH” and we’ll make it happen!
Description
Ingredients
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
- Article number:2162-202-0150