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COSRX 6X Peptide Collagen Booster Toner Serum, Niacinamide & Hyaluronic Acid Skin Renewal Boosting Facial Essence for All Skin Types, Korean Skin Care, Paraben Free, 150mL/5.07 Fl.Oz

4.6 4.6 out of 5 stars 4,376 ratings

$18.95
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Purchase options and add-ons

Skin Type All
Product Benefits Radiant Skin
Use for Face
Scent No Artificial Fragrance
Special Ingredients Hyaluronic Acid

About this item

  • Skin Booster Toner: Skin Boosting Serum with 6 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.

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This item: COSRX 6X Peptide Collagen Booster Toner Serum, Niacinamide & Hyaluronic Acid Skin Renewal Boosting Facial Essence for All Skin Types, Korean Skin Care, Paraben Free, 150mL/5.07 Fl.Oz
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Product Description

cosrx 6 peptide skin booster serum large size korean skincare first step of skincare daily use
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

Recommended Combinations According to Needs by COSRX

Vitamin C Booster

Retinol Booster

Hydration Booster

Step 1

The 6 Peptide Skin Booster Serum

Step 1

The 6 Peptide Skin Booster Serum

Step 1

The 6 Peptide Skin Booster Serum

Step 2

The Vitamin C 13 Serum / The Vitamin C 23 Serum

Step 2

The Reinol 0.1 Cream / The Retinol 0.5 Oil

Step 2

The Hyaluronic Acid 3 Serum

Radiance + Pre Anti-Aging Care

Improve Dull Skin with Hyperpigmentation

Pro Anti-aging Care

Reduce Fine Lines and Wrinkles

Intensive Hydration Care

Moisturizing and Plumping Dehydrated Skin

  • 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.

  • 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.

  • 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.

Product details

  • Product Dimensions ‏ : ‎ 1.73 x 1.73 x 5.91 inches; 5.29 ounces
  • Item model number ‏ : ‎ SC40TR34
  • Manufacturer ‏ : ‎ COSRX
  • ASIN ‏ : ‎ B0CCJ3SRB9
  • Country of Origin ‏ : ‎ Korea, Republic of
  • Customer Reviews:
    4.6 4.6 out of 5 stars 4,376 ratings

Compare with similar items

This Item
COSRX 6X Peptide Collagen Booster Toner Serum, Niacinamide & Hyaluronic Acid Skin Renewal Boosting Facial Essence for All Skin Types, Korean Skin Care, Paraben Free, 150mL/5.07 Fl.Oz
COSRX 6X Peptide Collagen Booster Toner Serum, Niacinamide & Hyaluronic Acid Skin Renewal Boosting Facial Essence for All Skin Types, Korean Skin Care, Paraben Free, 150mL/5.07 Fl.Oz
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Price-24% $18.95
List:$25.00
$85.49-20% $19.90
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-26% $18.50
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$17.90$22.00
Price Per Unit$96.95 / Ounce$29.70 / Fl Oz$5.52 / Fl Oz$17.72 / Fl Oz$21.78 / Fl Oz
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Get it as soon as Thursday, Mar 20
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Get it as soon as Thursday, Mar 20
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Get it as soon as Thursday, Mar 20
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Safety Information

B0CCJ3SRB9

Ingredients

Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Acetyl Hexapeptide-8, Copper Tripeptide-1, sh-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Serine, Alanine, Glycine, Threonine, Arginine, Proline, Betaine, Sodium PCA, Sodium Lactate, PCA, Glutamic Acid, Lysine HCl, Tocopherol, Dextran, Glycine Soja (Soybean) Oil, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, t-Butyl Alcohol, Potassium Sorbate, Sodium Oleate

Directions

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.

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Customer reviews

4.6 out of 5 stars
4,376 global ratings

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Customers say

Customers find that the skin serum helps improve their skin's health and appearance. It helps balance skin tone and reduce large pores. They find it effective and a perfect addition to their skincare routine. The serum provides light moisture and leaves their skin feeling smooth, soft, and hydrated. Many customers appreciate its glow and value for money. However, some customers have differing opinions on whether it causes skin irritation.

AI-generated from the text of customer reviews

181 customers mention "Skin health"181 positive0 negative

Customers find this serum helpful for improving their skin's texture. It helps wake up their skin and absorb better. They say it feels calming on their skin and doesn't burn or hurt. Many mention that it repairs their skin barrier and helps their face look less dehydrated. The serum makes their skin firmer and smoother, giving it a youthful, radiant glow.

"...First and foremost, the plumping effect is incredible. My skin feels noticeably firmer and smoother, giving it a youthful, radiant glow...." Read more

"...it provides amazing hydration that lasts, even for my super dry and sensitive skin. My skin feels so much more supple now!..." Read more

"...It moisturizes like crazy and leaves skin looking sooo healthy. There is no scent and it doesn’t leave you feeling sticky or oily...." Read more

"...Idk about that, but whatever it’s doing for my skin is great...." Read more

153 customers mention "Effectiveness"146 positive7 negative

Customers are satisfied with the product's effectiveness. They say it delivers on its promises and more, with excellent ingredients and straightforward skincare. Some customers find it amazing and follow through with using it. The serum provides long-lasting, corrective results and plays well when layered with other serums or moisturizers.

"...This product delivers on all its promises and more. First and foremost, the plumping effect is incredible...." Read more

"...I’ll be using this regularly in my skin care routine now. Quality is 10/10" Read more

"...an extra boost of hydration since it’s so lightweight, and it works wonderfully for me...." Read more

"...I am shocked at how well it works. After a month of using it everyday, I noticed that my pores have shrunk and my skin is more firm and plump...." Read more

137 customers mention "Skin softness"137 positive0 negative

Customers find the skin serum comforting and effective for softening their skin. They describe it as silky, making their pores smaller, and smoothing out fine lines under the eyes. The texture is light and soothing, almost like water.

"...My skin feels noticeably firmer and smoother, giving it a youthful, radiant glow...." Read more

"...My skin feels so much more supple now! It's definitely a product I would recommend, and I’ll be stocking up since it actually meets my expectations!" Read more

"...Skin feels plumped up and soft. Apparently it helps the next serums you apply work better, too!..." Read more

"...Does leave your skin soft and not greasy." Read more

101 customers mention "Hydration"87 positive14 negative

Customers appreciate the hydration of the skin serum. They find it keeps their skin hydrated and smooth, helping boost moisturization of creams and lotions. The serum absorbs quickly without feeling tacky, and it's described as a good toner with peptides.

"...The hydration it provides is top-notch—my skin stays moisturized all day without feeling heavy or greasy...." Read more

"...I'm really happy I decided to buy it because it provides amazing hydration that lasts, even for my super dry and sensitive skin...." Read more

"...No pilling. My skin is luminous, hydrated, reduced dark spots, and reduced wrinkles. YUP! REDUCED WRINKLES!..." Read more

"...It has also helped my skin to stay soft and moisturized all day. New holly grail for sure!" Read more

62 customers mention "Skin appearance"62 positive0 negative

Customers are satisfied with the skin serum's effects on their appearance. They find it helps improve their skin's appearance, making their face look less dull and more radiant. The serum provides moisture, even skin tone, and texture, resulting in a healthier-looking glow from within. Some customers mention that redness and blemishes are reduced, while others report improved complexion and undereye area. Overall, they appreciate the product's positive impact on their overall skin health and appearance.

"...Fine lines appear diminished, and my complexion looks more radiant and youthful...." Read more

"...I have noticed a difference in overall skin appearance- Redness gone, blemishes gone and my skin looks so healthy and feels healthier...." Read more

"Looks good, stable consistency from what she said. I got it for her as a gift and she likes it." Read more

"...I use it every day, and my skin looks plumper and more youthful...." Read more

59 customers mention "Skin glow"59 positive0 negative

Customers like the skin glow. It leaves their face smoother and radiant. They appreciate how light it is on their faces, especially at night. The glow is definitely noticeable, and they love how runny it is not oily or shiny.

"...My skin feels noticeably firmer and smoother, giving it a youthful, radiant glow...." Read more

"...Truly amazing. Gives that soft glow, like a full glass skin moment every time. Skin feels plumped up and soft...." Read more

"...It doesn't interfere with creams or makeup. No pilling. My skin is luminous, hydrated, reduced dark spots, and reduced wrinkles. YUP!..." Read more

"...This has improved all of that. My skin is brighter and glowing. It has also helped my skin to stay soft and moisturized all day...." Read more

54 customers mention "Value for money"44 positive10 negative

Customers appreciate the serum's value for money. They say its effectiveness justifies the price, and it's worth all the hype on social media. The serum makes their skin feel nice and doesn't cost them to break out.

"...On top of all that, the price is fantastic for the quality you’re getting...." Read more

"...skin feel anything like Tatcha's Dewy Serum does, but this is much less expensive. It does seem to work well with any moisturizer you put over it...." Read more

"...A little goes a long way, so I feel like I'm getting great value for my money...." Read more

"...A small amount goes a long way making this a fabulous value for this superior product. I'm a super user, super fan now." Read more

68 customers mention "Skin irritation"32 positive36 negative

Customers have different experiences with the skin serum. Some find it gentle and non-irritating, without causing any breakouts or itching. Others mention that it can cause mild tingling or burning, especially after shaving.

"...I had to wash it off immediately. The copper ingredient is reactive for eczema and started irritating my hands and patches of my face...." Read more

"...Truly amazing. Gives that soft glow, like a full glass skin moment every time. Skin feels plumped up and soft...." Read more

"I really like this product, although my skin is a bit sensitive, so I prefer to use it every few days...." Read more

"...and being acne-prone with sensitive skin, this product does not make my skin react angrily, which is a huge relief...." Read more

Yessssss to Korean SkinCare
5 out of 5 stars
Yessssss to Korean SkinCare
I’ve had this saved in my wishlist for months. I like to do a lot of research before I dive into a new skincare routine. Right now my skin is a little drier (winter) and I do have some acne scars some light and others darker. I sometimes break out right before I get my period so I was looking for something to help with my blemishes (Copper tripeptide-1) and also to brighten my skin (Oligopelride-68) and also at 35 something for lines and wrinkles (Acetyl hexapepride-8) fortunately I haven’t seen any yet. When I search for skincare I lean more towards Korean skincare since they are known for 1 great skincare and 2 glass skin. I’m going to be using this 6 Peptide Skin Booster with the COSRX Vitamin C 23 serum and COSRX Advanced snail 92 All in One Cream. I plan on updating my review in 1,2 and 3 months. Also got the booster and serum on a bundle deal so also a plus since I saved over $8! Also there was a deal on the snail 92 all in one cream $9.97
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Top reviews from the United States

  • Reviewed in the United States on December 22, 2024
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    I absolutely love the COSRX 6X Peptide Collagen Booster Toner Serum! It has quickly become a staple in my skincare routine. This product delivers on all its promises and more.

    First and foremost, the plumping effect is incredible. My skin feels noticeably firmer and smoother, giving it a youthful, radiant glow. The hydration it provides is top-notch—my skin stays moisturized all day without feeling heavy or greasy. It layers beautifully under makeup and other skincare products, making it versatile for both day and night use.

    On top of all that, the price is fantastic for the quality you’re getting. It’s rare to find a product this effective without breaking the bank.

    Overall, I can’t recommend the COSRX 6X Peptide Collagen Booster Toner Serum enough. It’s a game-changer, and I’ll definitely be repurchasing!
    72 people found this helpful
    Report
  • Reviewed in the United States on January 27, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    This serum has been a game changer for me! I'm really happy I decided to buy it because it provides amazing hydration that lasts, even for my super dry and sensitive skin. My skin feels so much more supple now! It's definitely a product I would recommend, and I’ll be stocking up since it actually meets my expectations!
    6 people found this helpful
    Report
  • Reviewed in the United States on March 4, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    Ok my expectations were blown away by this serum. I have SENSITIVE skin. Everything and anything irritates it but this hasn’t and I’ve been using it for a few weeks now. It moisturizes like crazy and leaves skin looking sooo healthy. There is no scent and it doesn’t leave you feeling sticky or oily. I’ll be using this regularly in my skin care routine now. Quality is 10/10
    One person found this helpful
    Report
  • Reviewed in the United States on January 17, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    I've been using the 6Peptide Skin Booster for a year now, and it is ABSOLUTELY THE BEST! It's as sheer as water but feels "soft". I put it on at night and morning before my lotion. It doesn't interfere with creams or makeup. No pilling. My skin is luminous, hydrated, reduced dark spots, and reduced wrinkles. YUP! REDUCED WRINKLES! PLEASE DON'T EVER DISCONTINUE THIS PRODUCT. Finally found an anti aging product that doesn't break me out. LOVE.
    11 people found this helpful
    Report
  • Reviewed in the United States on December 31, 2024
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    It does not make your skin feel anything like Tatcha's Dewy Serum does, but this is much less expensive. It does seem to work well with any moisturizer you put over it. Does leave your skin soft and not greasy.
    21 people found this helpful
    Report
  • Reviewed in the United States on October 29, 2024
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    After being disappointed with TO’s “Buffet” serum and not seeing any results from other peptide creams (or collagen supplements/powders) and becoming a newfound fan of many of the products sold by COS RX, I decided to add their peptide serum to my skincare routine. I am absolutely thrilled with the results! From the first application, my skin felt noticeably smoother, plumper, and more hydrated, with results appearing very quickly. The serum absorbs quickly without leaving any sticky residue (it’s not like the snail products), making it perfect for layering under my serums and moisturizer.

    After just a few DAYS of consistent use, I've noticed a significant improvement in the texture and firmness of my skin. Fine lines appear diminished, and my complexion looks more radiant and youthful. I love that it doesn’t have any fragrance or harsh chemicals, making it suitable for my sensitive skin. Despite having rosacea and being acne-prone with sensitive skin, this product does not make my skin react angrily, which is a huge relief. It pairs great with the COS RX Essence. It’s not moisturizing enough to use on its own for my dry skin, but it doesn’t claim to be.

    One point of confusion is the suggestion to replace this with your toner. To me they serve two different purposes. Personally, I use it after my toner/exfoliator or throughout the day for an extra boost of hydration since it’s so lightweight, and it works wonderfully for me. I don’t wear makeup so I can’t speak to how well it is under makeup, although it’s water-like consistency leads me to believe it won’t affect makeup. It doesn’t pill when layering other skincare products.

    The packaging is also a plus—it's sleek and features a hygienic pump that dispenses the perfect amount of product every time. A little goes a long way, so I feel like I'm getting great value for my money.

    Overall, this peptide serum has exceeded my expectations, and I couldn't be happier with the results. I highly recommend it to anyone looking to enhance their skincare routine and achieve glowing, healthy skin. This product is definitely a staple in my beauty regimen now!
    143 people found this helpful
    Report
  • Reviewed in the United States on February 19, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    I have been using this consistently for the past 3-4 months in my AM routine, before my Vitamin C serum + SPF. I am shocked at how well it works. After a month of using it everyday, I noticed that my pores have shrunk and my skin is more firm and plump. Highly recommend!
    5 people found this helpful
    Report
  • Reviewed in the United States on January 12, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    Saw someone on Instagram use it and she’s not very salesy, so I jumped on it as a replacement for snail mucin. Truly amazing. Gives that soft glow, like a full glass skin moment every time. Skin feels plumped up and soft. Apparently it helps the next serums you apply work better, too! Idk about that, but whatever it’s doing for my skin is great. The bottle is pretty large, too, and the packaging says you can layer it more for additional hydration…I did that tonight after steaming my face after a clay mask and I’m even more thrilled. It’s pretty excited to look in the mirror and think, “wow, pretty!” when it comes to your skin. And this definitely makes me think that, more and more as I use it.
    18 people found this helpful
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Top reviews from other countries

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  • Irene
    5.0 out of 5 stars Ottimo prodotto
    Reviewed in Italy on February 11, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    Essendo un amante della skincare coreana, conosco bene il marchio CosRX.
    Questo skin booster non delude affatto le aspettative.
    Ha una consistenza quasi acquosa e viene assorbito dalla pelle molto velocemente.
    La profumazione è molto leggera, quasi assente.
    Lo uso solo da pochi giorni, come primo step dopo essermi lavata il viso, ma ho già notato che la mia pelle risulta più luminosa e uniforme. Favorisce l'assorbimento degli altri prodotti e ho osservato anche un miglioramento delle rughette d'espressione attorno agli occhi, che risultano meno evidenti.
    Sicuramente, un prodotto che raccomando e che riacquisterò.
    Report
  • William Pérez Palomeque
    5.0 out of 5 stars Glow in a Bottle—Hydration and Bounce, Delivered!
    Reviewed in the United Arab Emirates on January 18, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    This toner-serum hybrid has quickly become my skincare MVP. It’s lightweight, absorbs fast, and leaves my skin feeling instantly plump and hydrated. The combination of peptides, niacinamide, and hyaluronic acid is like a triple-threat for smooth, glowing skin.

    After just a week, I noticed my skin looking brighter and more even. It layers beautifully under other products without feeling sticky, which is a huge plus. And it’s gentle enough for daily use, even on days when my skin feels a bit sensitive.

    If I had to point out a downside, the bottle isn’t travel-friendly—it’s a bit bulky, so decanting is a must for trips. Also, the hydration is amazing, but if you’re looking for heavy-duty anti-aging, you might need to pair it with a richer cream.

    Overall, it’s a fantastic product for anyone wanting that fresh, dewy look without the fuss. Perfect for beginners or skincare addicts alike!

    4.8/5
  • Liliana
    5.0 out of 5 stars Cosrx ist luxus pur für die Haut
    Reviewed in Germany on January 5, 2025
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    😍Wow , ich bin sowas von begeistert von diese Marke Cosrx . Am Anfang habe ich mir Retinol creme bestellt um es auszuprobieren ,und direkt nach paar anwendungen meine Haut ist sooo glatt geworden . Da ich kleine Pickelchen hatte und hab alles mögliche ausprobiert , sogar zu collagen tabletten gegriffen , aber es hat mir nichts gebracht . Aber seit dem ich Cosrx retinol hab , meine Haut ist perfekt geworden . Deswegen ich habe mir direkt komplette set pflege produkte gekauft im wert von 350 eur 😂. Ich weis das es verrückt klingt , aber diese pflegeprodukte sind einfach WELTKLASSE 👀👍👍👍💘!!! Wo ich Niaciamid , Serum , Gel , Toner , Ampulen , Augencreme , Pads , Creme mit Schnecken schleim und Propolis ausprobiert habe von Cosrx , war ich mehr als begeistert .Ich bin soooo glücklich jetzt . Ich bin 37 aber viele denken ich wäre 20 ))Meine haut ist so am glänzen , soo glatt und die Poren sind soo klein geworden , ich habe keine Flecken , mein hautton ist gleichmässig geworden . Es hinterlässt kein Film , es klebt nicht , und sehr angenehm auf der Haut . Meine Haut ist sehr gut mit Feuchtigkeit versorgt .Unglaublich einfach . Ich dachte ich werde NIE so gute kosmetik bekommen für angeneme Preis . Und diese Geld was ich ausgegeben habe hat mir nicht leid getan . Sondern diese Qualität jeden Euro wert .Ich habe direkt es meine Mama und Freundin empfolen 😁. Mädels ,wenn ihr noch am zweifeln seid , denn kauft es euch ohne zu überlegen . Glaubt es mir , wenn ihr diese Marke auspribiert , egal welche Produkt , seit dem es wird eure lieblings pflege sein. Ich schwöre es euch !!! Das ist das beste was ich mir seit letzte zeit gekauft habe . Einfach nur 💥WOW 💥 Ich bin verliebt in alle Produkte von diese Marke .
  • Chantal 175
    5.0 out of 5 stars Excellent sérum
    Reviewed in France on December 19, 2024
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    Je suis très satisfaite de ce sérum.
    Il hydrate profondément l'épiderme, il régénère et lisse rapidement les ridules, le teint est clarifié et le grain de peau visiblement amélioré.
    Je l'intègre définitivement dans ma routine !
  • Ainhoa
    5.0 out of 5 stars Buena calidad
    Reviewed in Spain on December 11, 2024
    Size: 5.07 Fl Oz (Pack of 1)Verified Purchase
    El COSRX Tónico Sérum de 6X Péptidos es un producto estrella para quienes buscan mejorar la elasticidad y luminosidad de la piel. Con una fórmula rica en péptidos, este sérum ayuda a estimular la producción de colágeno, lo que combate los signos de envejecimiento como líneas finas y pérdida de firmeza.

    La niacinamida en su composición es perfecta para igualar el tono de la piel y reducir las manchas, mientras que el ácido hialurónico garantiza una hidratación profunda, dejando la piel suave y con un aspecto fresco. Es ligero, se absorbe rápido y no deja sensación pegajosa, lo que lo hace ideal para usarlo tanto de día como de noche.

    Si buscas un producto que combine cuidado antiedad con hidratación y luminosidad, este sérum es una opción fabulosa para cualquier rutina de cuidado de la piel. ✨💧

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