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4.7 out of 5 stars (498)

Cos De BAHA Hyaluronic Serum 8 Fl Oz – Pure Sodium Hyaluronate 10,000 ppm Hydrating Face Serum for Dry & Dehydrated Skin – Lightweight Fragrance-Free Korean Skincare Formula (240 ml)

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Product details

Top highlights

  • Pure Hyaluronic Serum with Sodium Hyaluronate 10,000 ppm in a simple, water-based formula designed to deliver a light, hydrating layer to the skin.
  • Minimal INCI list with Purified Water, Sodium Hyaluronate, and 1,2-Hexanediol for customers who prefer straightforward cosmetic formulations without added fragrance or oils.
  • Lightweight texture absorbs quickly and is suitable for layering with toners, essences, moisturizers, and sunscreens in both AM and PM skincare routines.
  • Designed for various skin types, including dry and combination skin, to help the skin feel more comfortable and look smoother through hydration-focused care.
  • Part of the Cos De BAHA H line, available in multiple sizes (30 ml / 1.0 fl oz, 60 ml, 120 ml, 240 ml) to fit simple daily use or extended skincare routines.

Top Brand: Cos De BAHA Cos De BAHA

Brand insights

84% of ratings are 4+ stars for this brand

10K+ orders for this brand in past 3 months

Customers usually keep items from this brand

Brand summary

From brand and product information, Cos De BAHA offers concentrated skincare serums with active ingredients like azelaic acid, hyaluronic acid, and niacinamide. Their straightforward formulations focus on effective ingredients without unnecessary additives, suitable for all skin types.

AI-generated from brand and product info

Safety Information

Cos De BAHA products contain high concentrations of ingredients. Depending on the product, you have experience with "Allergic reaction" and "face burning". in users with sensitive skin. Please test under the chin before use.

Ingredients

Purified Water, Sodium Hyaluronate, 1,2-Hexanediol

Directions

Refer to the user's manual in the product box. Alternatively, refer to the detailed description on the product page for use. If you have any questions, please contact the seller.

Legal Disclaimer

IMPORTANT - This is a CONCENTRATED SERUM. Before using, test a small amount on the skin of your neck to make sure the formula does not irritate your skin. If compatible with your skin, use as directed.

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    Cos De BAHA Best Item

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Product description

cosdebaha
H1
H2
H3
H4
amazon_az30_05
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Customer reviews

4.7 out of 5 stars
498 global ratings

Customers say

Customers find this hyaluronic acid serum highly effective, with one noting it works well with CeraVe PM Facial Moisturizing Lotion. They appreciate its hydrating properties, with one mentioning it absorbs quickly, and its smooth, non-tacky texture. The product receives positive feedback for its fast absorption, good ingredients, and suitability for microneedling. Customers also consider it good value for money.
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34 customers mention effectiveness, 32 positive, 2 negative
Customers find the serum highly effective and worth trying, with one customer noting it's great for daily use.AI Generated from the text of customer reviews
...This is a great product and great price for the quantity and great quality. Not everything from China is bad. LolRead more
Great!👍🏻Read more
...But I HIGHLY RECOMMEND THIS PRODUCT, very moisturizing. Used it during and after microneedling and it soothed my skin.Read more
Very goodRead more
22 customers mention skin improvement, 21 positive, 1 negative
Customers report that the serum works wonders for their skin, with one customer noting it performs well with CeraVe PM Facial Moisturizing Lotion and another mentioning it's perfect for microneedling.AI Generated from the text of customer reviews
I love this product. It is thick and works excellent. Just wish it would come back in the bigger bottle with the pump, as I use it every day.Read more
Used this with my microneedling pen and my skin has never looked better. High quality brand....Read more
Products works well with my skin. No irritation. Plays well with sunscreen and makeup.Read more
...This is by far the best. Putting it on a damp face works wonders for my skin. As for the company itself, the bottle I received had a broken pump....Read more
18 customers mention value for money, 16 positive, 2 negative
Customers find the serum to be a great value.AI Generated from the text of customer reviews
...Why? Well, look at their motto "good ingredients, good price". Their ingredients are SIMPLE, CLEAN, NON-IRRITANTS....Read more
Great price for the volume of product. This specific blend works very well with my skin....Read more
This is the business. For the price, its something I stock up on. I use it everyday. HIGHLY recommend this item + company !!Read more
...Now it will only offer hydration for a great price point....Read more
14 customers mention hydration, 14 positive, 0 negative
Customers find the serum hydrating and moisturizing, with one customer noting that it absorbs quickly and leaves the skin feeling hydrated.AI Generated from the text of customer reviews
...It is good quality though. I use it for micron3edling slip. Its very hydratingRead more
...But I HIGHLY RECOMMEND THIS PRODUCT, very moisturizing. Used it during and after microneedling and it soothed my skin.Read more
So Hydrated!!! This product is silky to the touch! Goes on smooth! Love the new glow I am seeing!Read more
Gotta have this stuff! I call it my second skin.. it just nourishes and plumps!!! 👍🏽👍🏽👍🏽😍Read more
11 customers mention texture, 10 positive, 1 negative
Customers like the texture of the serum, finding it feels awesome on the skin and leaves it soft, with one customer noting it has a very smooth sensation.AI Generated from the text of customer reviews
I use this every day as a base I let it dry. It’s not sticky and it has helped improved my skin.Read more
...Right after applying, my skin feels soft and nicely hydrated....Read more
It feels good on skin.Read more
So far I’ve been liking this product, my skin feels super smooth....Read more
9 customers mention absorption, 8 positive, 1 negative
Customers like how the serum absorbs into the skin, noting it goes on smoothly and one customer mentions it layers perfectly.AI Generated from the text of customer reviews
...All the products I use of theirs are GREAT. Goes on smooth, a little tacky but once it absorbs that goes away....Read more
The best product for your beauty routine. Not sticky and absorbs fast.Read more
The serum feels really lightweight and sinks in fast. Right after applying, my skin feels soft and nicely hydrated....Read more
I would say if you are using this product for Microneedling it’s a great slip. Now it will only offer hydration for a great price point....Read more
9 customers mention ingredients, 9 positive, 0 negative
Customers appreciate the pure hyaluronic acid formula of this serum, with one customer noting its suitability for micro needling.AI Generated from the text of customer reviews
...say for Microneedling it’s a 7/10 becuase of price point, and simple ingredients....Read more
Good and pureRead more
...Why? Well, look at their motto "good ingredients, good price". Their ingredients are SIMPLE, CLEAN, NON-IRRITANTS....Read more
Gotta have this stuff! I call it my second skin.. it just nourishes and plumps!!! 👍🏽👍🏽👍🏽😍Read more
7 customers mention microneedling, 7 positive, 0 negative
Customers find the serum perfect for microneedling.AI Generated from the text of customer reviews
Has very few ingredients making this very pure. Great for micro needlingRead more
...It's a great choice for microneedling, to add into your own moisturizer, or to just slather on over your face any time of the day...I do all three:).Read more
Great for home microneedling. I have been using with microneedling for over a year and the pump is very handy when you don't have two free hands....Read more
Great product. Perfect for micro-needling. Mixes well with other products.Read more

Top reviews from the United States

  • SunFish FireMoon
    5 out of 5 stars
    Verified Purchase

    Hands Down the Best & Cleanest HA Serum

    Reviewed in the United States on February 14, 2025
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    This stuff, yes. Thank you Cos De Baha, thank you for all of your beautiful products.

    I've used this as a post cleanser moisturizer, I've used this for my at home medical micro-needling (Dr. Pen) treatments & post-treatment, I've used it as my main plain base "carrier" for all of my other active & exfoliant serums. When I say this item is versatile, I mean it. Once you realize all the many ways you can utilize such a simple item, you will understand it's value. I also use the snail mucin one under my eyes, but prefer this plain one for face as it absorbs 100% and leaves absolutely no sticky/tacky feel - trust me, stickiness for me as an oily skinned person is a HUGE deal breaker and a company will lose me in a heartbeat if there product makes my face feel like a fly trap for my hair to stick to.

    I absolutely love this company and have used many of their products. Why? Well, look at their motto "good ingredients, good price". Their ingredients are SIMPLE, CLEAN, NON-IRRITANTS. I check all ingredients on beautypedia.

    Why are "simple" ingredients important to me? With this, I can use it morning and night, BUT I can add a drop or two of the specific active serums I want/need at any given time (also Cos De Baha) AND I get to choose how much of those I'm adding into my application. What do I mean? I may use a pump or two of this and if my pores are acting up I may add 2 drops of my Niacinamide serum instead of one along with 1 drop of my Vitamin C serum. In the evening, I can also add in some AHA serums and of course tailor that as needed. Another day, I may need to back off the exfoliants but amp up my peptide concentration, so add in 2 drops instead of 1 etc.

    This is my "base serum" for all other serums to "infuse" into and carry into my skin and I will never be without it as long as this beautiful company still creates their incredible products. I plan to incorporate reedle shots and use my serums with it to see if better absorption takes place and continue using this as my hydration "sealer". Microporation, microneedling, and hydrolyzed sea sponge/exosome/microsponge are magical in conjunction with this company's lovely, clean products.

    19 people found this helpful
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  • Trees001
    5 out of 5 stars
    Verified Purchase

    Wonderful hyaluronic acid for your skin in your daily skin routine or microneedling.

    Reviewed in the United States on March 24, 2026
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    Best glide for microneedling! Price is fantastic and of high quality. This hyaluronic acid is of high molecular weight so it absorbs more water and last longer! It leaves your skin plumb and hydrated for hours.

    2 people found this helpful
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  • Barbara Barruch
    5 out of 5 stars
    Verified Purchase

    Product is thick and works excellent.

    Reviewed in the United States on July 11, 2026
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    I love this product. It is thick and works excellent. Just wish it would come back in the bigger bottle with the pump, as I use it every day.

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  • El
    5 out of 5 stars
    Verified Purchase

    Glass skin anyone?

    Reviewed in the United States on May 3, 2026
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    Perfect product for anyone looking for glass skin effect. All you need is 5 drops.

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  • Jennifer Kinzer
    4 out of 5 stars
    Verified Purchase

    Hydrating

    Reviewed in the United States on March 17, 2026
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    A little expensive for what you get. It is good quality though. I use it for micron3edling slip. Its very hydrating

    One person found this helpful
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  • Irene
    5 out of 5 stars
    Verified Purchase

    Lightweight, super hydrating, and works great with CeraVe PM Facial Moisturizing Lotion

    Reviewed in the United States on July 22, 2025
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    The serum feels really lightweight and sinks in fast. Right after applying, my skin feels soft and nicely hydrated. I use it right after cleansing, and it layers perfectly with my CeraVe PM Facial Moisturizing Lotion — no pilling at all. Such a big bottle too, definitely great value for the price!

    One person found this helpful
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  • Arlene
    5 out of 5 stars
    Verified Purchase

    Wxcellent

    Reviewed in the United States on April 14, 2026
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    Excellent product

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  • Yelitza Mejias
    5 out of 5 stars
    Verified Purchase

    Economical and excellent quality

    Reviewed in the United States on January 8, 2025
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    I have been using this serum for months and I love it. I have already purchased 5 of them. I use it in the morning and at night with the face slightly damp. This serum gives wonderful hydration and leaves a glow on the skin that makes it look fresh. Everyone has to do with my complexion and I am 45 years old, I don't have expression lines or enlarged pores. It is also excellent for use with microneedling. I recommend it 100%.

    8 people found this helpful
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Top reviews from other countries

  • V
    5 out of 5 stars
    Verified Purchase

    Easy to use

    Reviewed in Australia on November 9, 2024
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    I love it. Works well and seeing a major difference.

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  • Jen Ex
    5 out of 5 stars
    Verified Purchase

    Makes skin feel smooth

    Reviewed in Australia on December 21, 2024
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    Love this product.

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  • W
    4 out of 5 stars
    Verified Purchase

    It’s good and I feel good

    Reviewed in Japan on March 22, 2025
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    Been using and trying some 1% Hyaluronic acid serums.

    This one’s a bit loose texture in a comparison with other similar products from different makers.

    But I feel something better when I use this, which makes me to feel like wanting to try other stuffs from this maker. It’s not based on scientific evidence though. Just my opinion.

    Currently I’m using different product by other maker, but I will come back to purchase this one again.

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  • Dxb_essa
    1 out of 5 stars
    Verified Purchase

    It’s not original . Or there is something wrong

    Reviewed in the United Arab Emirates on November 1, 2024
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    The product arrived with open seal and the parking was not normal . It’s very greasy which I think it’s not normal . Not recommended don’t buy it

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Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon

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Product Summary: Cos De BAHA Hyaluronic Serum 8 Fl Oz – Pure Sodium Hyaluronate 10,000 ppm Hydrating Face Serum for Dry & Dehydrated Skin – Lightweight Fragrance-Free Korean Skincare Formula (240 ml)

From Cos De BAHA

4.7 out of 5 stars, 498 ratings

Customer reviews

100+ viewed in past month

Price

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About this Item

  • Pure Hyaluronic Serum with Sodium Hyaluronate 10,000 ppm in a simple, water-based formula designed to deliver a light, hydrating layer to the skin.
  • Minimal INCI list with Purified Water, Sodium Hyaluronate, and 1,2-Hexanediol for customers who prefer straightforward cosmetic formulations without added fragrance or oils.
  • Lightweight texture absorbs quickly and is suitable for layering with toners, essences, moisturizers, and sunscreens in both AM and PM skincare routines.
  • Designed for various skin types, including dry and combination skin, to help the skin feel more comfortable and look smoother through hydration-focused care.
  • Part of the Cos De BAHA H line, available in multiple sizes (30 ml / 1.0 fl oz, 60 ml, 120 ml, 240 ml) to fit simple daily use or extended skincare routines.

Product Description

Cos De BAHA Hyaluronic Serum is a simple, water-based facial serum formulated with Sodium Hyaluronate 10,000 ppm to provide a lightweight layer of hydration for daily skincare routines. This serum uses a short ingredient list with Purified Water, Sodium Hyaluronate, and 1,2-Hexanediol to offer a fresh, comfortable finish on the skin without added fragrance or oils.

The formula is designed to layer easily with other cosmetic products such as toners, essences, and moisturizers, making it suitable for both morning and evening routines. Sodium Hyaluronate, a form of hyaluronic acid, is widely used in cosmetics for its ability to attract and hold water on the skin’s surface, helping the skin feel supple and look smoother.

This serum can be used on various skin types, including dry and combination skin, and is intended as a cosmetic product for general hydration and improving the look of skin softness. It does not contain added perfumes, parabens, or common cosmetic oils, which can be appealing for customers who prefer a minimal-style ingredient list.

How to Use After cleansing and toning, apply 2–3 drops of the serum to the face and neck, then gently pat until absorbed. Follow with a moisturizer and sunscreen in the daytime. The serum can be used once or twice daily as part of a regular skincare regimen, depending on personal preference. Avoid the immediate eye area and do not apply to broken or irritated skin.

Storage Store the product in a cool, dry place away from direct sunlight and excessive heat. Keep the cap tightly closed after each use and avoid contamination by not touching the dropper directly to the skin.

Product Specifications - Product Type: Facial serum (cosmetic) - Size: 240 ml / 8.0 fl oz (H line also available in 60 ml, 120 ml, 240 ml) - Texture: Lightweight, water-like serum - Skin Type: Suitable for various skin types, especially dry or dehydrated-feeling skin - Country of Origin: Made in Korea - Use: External use only; cosmetic hydration-focused product with no medical or drug claims.

Important Information

Safety Information

Cos De BAHA products contain high concentrations of ingredients. Depending on the product, you have experience with "Allergic reaction" and "face burning". in users with sensitive skin. Please test under the chin before use.

Ingredients

Purified Water, Sodium Hyaluronate, 1,2-Hexanediol

Directions

Refer to the user's manual in the product box. Alternatively, refer to the detailed description on the product page for use. If you have any questions, please contact the seller.

Legal Disclaimer

IMPORTANT - This is a CONCENTRATED SERUM. Before using, test a small amount on the skin of your neck to make sure the formula does not irritate your skin. If compatible with your skin, use as directed.

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