COSRX Pure Sodium Hyaluronic Acid 3% Serum, Hydration & Moisture Boosting Facial Serum for Fine Lines & Wrinkles, Plump & Repair Dry Skin, 0.67fl.oz/20ml, No Artificial Fragrance, Korean Skin Care | ⭐ Flexiology.Store Recommended
Original price was: $25.00.$20.99Current price is: $20.99.
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $25.00 - $20.99
(as of Oct 04, 2025 16:43:12 UTC – Details)
From the brand
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Product Dimensions : 8 x 2.7 x 2 inches; 5.29 ounces
Item model number : SC40TR04
Manufacturer : Cosrx
ASIN : B09ZYCVH8N
Best Sellers Rank: #16,563 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #360 in Facial Serums
Customer Reviews: 4.3 4.3 out of 5 stars 1,368 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
The Hyaluronic Acid 3% Serum: 3x Hydration. Composed of a specialized complex of Hyaluronic Acid, Ceramides, and Natural Moisturizing Factors, the serum locks hydration deep in your skin.
Key Benefits: Based on real results from consumers’ self assessments, the Hyaluronic 3 Serum replenishes hydration, visibly plumps the skin, and improves dryness.
Dermatological Ingredients: 3% Pure Hyaluronic Acid helps retain mositure and instantly plumps skin. Ceramide & NMF (Natural Moisturising Factors) strengthen the skin’s barrier.
How to Use: Apply 2-3 drops to your face and neck once or twice daily. Can be applied under the eye area; avoid direct eye contact. *Perform a patch test on the body before using on the face.
COSRX Standards: COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE
Customers say
Customers find the serum effective at hydrating and plumping skin, with one noting it helps de-emphasize mature skin lines. The product receives positive feedback for its moisturizing properties, particularly for extremely dry skin, and customers appreciate its silky texture and how it makes skin look wonderful with a glowy appearance. However, the bottle longevity is concerning, with bottles lasting only about 2 weeks and containing very little product.
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
13 reviews for COSRX Pure Sodium Hyaluronic Acid 3% Serum, Hydration & Moisture Boosting Facial Serum for Fine Lines & Wrinkles, Plump & Repair Dry Skin, 0.67fl.oz/20ml, No Artificial Fragrance, Korean Skin Care
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Kathryn Magendie –
Very hydrating – calms rosacea redness
First you must know this isn’t a full ounce but .67 ounces – they could do better with making sure that is front and center so customers know the amount. I am a little disappointed in COSRX for not being completely transparent about that. I really had to search to find the amount. I adore COXRX skincare as my skin absolutely loves it, but this is where they drop the ball. That out of the way —The serum is beautiful. It’s medium thick clear. Glides on my skin so smoothly. Very hydrating. I pair this with the COSRX snail mucin – it took me a long time to order snail mucin as it is a little gross and I make sure to avoid my lips (ew), but the two together calm down my rosacea redness–I have Type 1, which is redness and flushing – stinging if my barrier is compromised.This has Sodium Hyaluronate, which is the better hyaluronate as far as it has a smaller ‘molecule size’ so it can penetrate better–at least this is what I understand.The fourth ingredient is glycerin, which is very hydrating, and adds a lot to the formulation.I put this on damp skin, and whether I use the snail mucin first, second, or not at all, after applying on damp skin I dampen a makeup sponge or use damp fingers to pat and press more moisture into my skin. I let that ‘sink in’ for a while – 3-5 minutes or sometimes longer before going on with my skincare.Sometimes my cheeks will be red and this along with the mucin will immediately calm it down – well, immediately as in about 30 seconds or so after applying. Even the act of applying skincare can make my cheeks turn red.I love that COSRX is not expensive at all – even at less than an ounce, it’s still a bargain. This along with Beauty of Joseon are my two favorite K-Beauty brands and I don’t use much of anything else anymore.
Andrea –
Great skin product
This works well for me. Leaves my skin soft and young looking
MaC –
Doesn’t pill, lighter feeling that other brands
I have used hyaluronic acid daily for several years. I top it off in the morning with a light moisturizer followed by sunblock. This review is based on that usage.The pros:- I have no pilling with this product. I have used The Ordinary hyaluronic acid and found that it causes pretty distressing levels of pilling. See above, I layer my products. Alone, other products may not pill. If you layer, this is a good option.- No odor. I have purchased other products from other brands that have a pleasant odor. I like that this brand is unscented, but as we all know, being unscented and having no odor are two different things. Gasoline doesn’t have fragrance added, but it’s stinky. This product has no odor, either when applying or when dry.- Effective. I haven’t taken photos to know how effective this is day to day. I always use it, my face is getting older (it is what it is) and I think I’m holding up pretty well. I will say, if I don’t put it on right after my morning shower, I feel the difference. I feel dryer, and my skin is less “springy”.- Pretty container. This might not be a pro to someone else, but if you have a little display for your lotions and potions, this looks nice on display.Cons:- It is costlier than other brands, but not prohibitively.- The container is a weird shape. It’s also black. It is not possible to know how much you have left, and it’s hard to get the last drop.Overall, I have bought this a few times and will be buying it again.
skinobsessed. –
COSRX sodium Hyaluronic Acid 3%
It’s a good thing I had an old dropper, longer than the one the product came with. The dropper it came with was not absorbing the serum, but when I used my own dropper it worked. The serum itself is great. I immediately saw a difference in my skin.
tyler03 –
Just about empty.
This Hyaluronic Acid 3 was just about empty.In order for me to use it, I had to tilt the bottle so the pump could actually get some in the tube. I can put the bottle on its side and nothing will come out. I decided to see how far I can tilt this just to see when I’ll be able to see the liquid. About 3/4 tiled when I started to see the liquid. I should empty the bottle just to see how much is actually in it. I’ll be looking for a different brand…. Update.. ( Jan 10- 2024 )I changed my Star rating from 1 to 5 because the seller gave me a full refund because of my empty bottle I received.. They reached out to me and said they will take care of this.. Great customer service. I will order again from this seller.
Jessica P –
Bottle not full?
My bottle only lasted about 2 weeks, so I feel like it wasn’t full. Also has me concerned about whether the product in the bottle was actually what it says it is. I will buy again to try, but thru a vetted distributor like Sephora or Ulta.
Nazanin –
So soft and hydrated skin!
Oh wow! The glow the day after!!!!
Linda Toner –
Empty bottle
The bottle was completely empty. At first I thought it wasn’t sucking up into the vial however, I turned it upside down ans stuck a q tip and it was completely empty.
JOSE BRAVO –
Buena relación calidad precio
Amazon カスタマー –
ものすごくトロッとしている。伸びにくいので他のローションと混ぜた方が塗りやすいかも。だた保湿力はある。毎日使っていたらすぐなくなるので定期便にしようかと思っている。
Aytan A. –
Makes my skin glossy
Tshering –
Keeps your skin hydrated for a very long. I use it as a base for my make up.
KayKay –
I’m sticking with it. When using this, I don’t notice any breakouts, I feel so young because it leaves my skin feeling plump and smooth. One down side though is that it is such a small bottle it will only last weeks.