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Description
COSRX The Hyaluronic Acid 3 Serum 20gCOSRX The 6 Peptide Skin Booster Serum COSRX The 6 Peptide Skin Booster Serum is designed for individuals with complex skin concerns, including large pores, excessive oil, fine lines, and uneven skin tone. The COSRX The 6 Peptide Skin Booster Serum is a skin serum that helps improve skin texture, hydration, and brightness. Why We Recommend This Product This serum comes in a 150mL bottle. It is a lightweight and non sticky serum. The product works for
COSRX The 6 Peptide Skin Booster Serum
COSRX The 6 Peptide Skin Booster Serum is designed for individuals with complex skin concerns, including large pores, excessive oil, fine lines, and uneven skin tone. The COSRX The 6 Peptide Skin Booster Serum is a skin serum that helps improve skin texture, hydration, and brightness.
Why We Recommend This Product
- This serum comes in a 150mL bottle.
- It is a lightweight and non-sticky serum.
- The product works for all skin types.
- It contains six different peptides that address various skin concerns.
- The serum helps make skin feel smoother and firmer.
- It helps reduce the look of blackheads and whiteheads.
- The product can be used all year round.
Each 150mL bottle of COSRX The 6 Peptide Skin Booster Serum contains six types of peptides. The peptides are SH-Polypeptide-121, Copper Tripeptide-1, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, and Acetyl Hexapeptide-8. This combination helps improve the overall look and feel of the skin. A study with 20 people showed that the COSRX The 6 Peptide Skin Booster Serum improved skin texture and hydration. The COSRX The 6 Peptide Skin Booster Serum also helped with skin brightness.
The COSRX The 6 Peptide Skin Booster Serum is a good choice for people who have many different skin issues at once. It helps improve the skin’s texture by reducing pores and excess oil. The COSRX The 6 Peptide Skin Booster Serum also helps with fine lines and firming the skin. It also helps to make the skin look brighter and more even. The COSRX The 6 Peptide Skin Booster Serum is a factual product that provides these effects.
Directions:
After cleansing, apply a few drops of the serum to your face and pat it gently to help it soak into your skin.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Reliable and Easy to Use Cold Brew Coffee Maker
Color: Black, Size: 40 oz, Color: Black, Size: 40 oz
This cold brew maker is easy to use and does the job well. I get smooth coffee every time without bitterness. The size is good and fits in my fridge without taking much space. The filter works well and keeps most of the grounds out of the coffee.
Cleaning is simple and does not take much time. The build feels solid for daily use. I like that I can control how strong the coffee is by changing the water and coffee ratio.
One thing to know is that you need coarse ground coffee for best results. (I use Bizzy coffee) Letting it steep longer makes the flavor better. It is not insulated, so you should keep it in the fridge while brewing.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Best cold brew brewer out there
Color: Black, Size: 40 oz
One of my favorite purchases in a long time. This coffee maker is just a perfect size and it can be put in the fridge in any direction, on its side, on its top, whatever. It does not leak and it's very easy to clean. Just a superior product all the way around.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Great cold brew maker!
So far this has been a big improvement from a different brand cold brew maker I had. It is simple and easy to used doesn’t leak. The coffee comes out tasting great! It has a smart design that works well. It’s a great deal for how well it works. It is big enough to last all week but not take up to much space in the fridge.
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Reviewed in the United States on October 27, 2025
★★★★★ 1
Air gets trapped in the filter so it won’t fully steep
Color: Black, Size: 40 oz
Filter doesn’t let air out. It’s weird about all these positive reviews bc I tried cold brewing tea two times overnight but the filter holes are so small that basically it traps a large air bubble inside with the tea leaves. The water was barely steeped. It was weird enough to the point where I thought there must be a clear film on the filter that I hadn’t removed. When I loosen the lid all do the air rushes out and it fills w water, but when you tighten the lid any air inside with your grounds/leaves is trapped and prevents steeping. I kept thinking it was me based on all of these positive reviews but I could not prevent the massive about of air from getting trapped in the filter. If they made the holes bigger (not too big to let grounds out but currently you could mistake it for plastic film) then it would’ve been perfect. Nice size and about what I’d drink in a day or so. Change the filter hole size to let air flow out and I’ll buy it back!
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Great product, thoughtful design, great customer service
Color: Black, Size: 40 oz
I don't write a lot of reviews, but I felt like this product deserved one. This is an excellent cold brew maker. It is very easy to use and has a great 1,200 mL capacity. The plastic construction is more versatile (less fragile) than other brewers made from glass. The filtration system eliminates the sludge that other brew systems leave. The packaging is very thoughtful - a scoop and sponge are included. The scoop is easily overlooked, but it is the perfect size to clean the used grounds out of the filter. The sponge is an unexpectedly useful form factor to help with cleaning. Hopefully the sponges can be ordered separately, since sponges don't last forever.
Some minor downsides:
Cleaning is moderately easy, but the only component that is recommended for the dishwasher is the pitcher (which is also easiest to clean by hand). All of the other elements are recommended for hand washing, which doesn't take long.
The way the filter is configured, the pitcher will work most effectively if stored (at least for part of the brew cycle) on its side. However, there is a vent in the lid that is prone to leaking when the pitcher is stored on its side. Brewing upright can lead to the top grounds not getting exposed to water.
Unfortunately, one of the pieces broke during routine use after a couple of months: the pitcher lid is attached with a couple of hinges that snap the lid into place on the pitcher. One of the hinge attachments broke. I contacted customer service and a replacement pitcher arrived four days later. I'd recommend being careful with these hinge attachments as they seem prone to break. At the same time, the customer service is very responsive and suggests that they take support of their products seriously.
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Reviewed in the United States on May 1, 2025
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