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Pyunkang Yul PKY Black Tea Boosting Serum is a 45ml Korean anti-aging skincare essential that combines fermented black tea (kombucha), peptides, adenosine, and ginseng berry extract to improve skin elasticity, reduce fine lines, and deeply nourish without irritation. Its fast-absorbing, fragrance-free gel formula delivers concentrated nutrients for a firm, radiant complexion favored by skincare professionals and enthusiasts alike.





























| ASIN | B09NNCQY5B |
| Best Sellers Rank | #142,176 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #2,759 in Facial Serums |
| Customer Reviews | 4.3 4.3 out of 5 stars (417) |
| Item model number | 1115013080 |
| Manufacturer | Seoul Cosmetics Co., Ltd. |
| Package Dimensions | 6.65 x 3.98 x 1.73 inches; 10.23 ounces |
M**.
Fast-absorbing yet very moisturizing
This product came highly recommended by Dr. Andrea Suarez (aka Dr. Dray), a board-certified dermatologist. I was running out of my Skinceuticals Phyto Corrective Gel ($78) and instead of repurchasing that product, I decided to give Pyunkang Yul Black Tea Boosting Serum ($20) a try given the reasonable price point. The serum comes in a beautiful packaging (especially for the price) and the pump dispenser makes it much easier to use (and more sanitary) compared to the glass dropper format since there is minimal risk of cross-contamination/oxidization. The texture is more of a gel-like consistency than most serums in the market that are typically more liquid. I like that there is no noticeable scent so I hope this is an indication that the product is fragrance-free. I apply this after first treatment essence/toner but before moisturizer and sunscreen. This serum glides on smoothly but absorbs quickly but my skin feels very moist and supple, providing a perfect canvas for moisturizer and matte sunscreen (that I use instead of foundation). So far, I really enjoy using this product and will continue to do so if the experience remains consistent. I also can't complain that I'm spending $20 instead of $78 for the same step in my morning skincare routine!
J**T
Great antioxidant serum...
Very nice serum & I love the bottle!
A**A
Good serum
This serum is the truth! The formula is thick and really moisturizes. I feel like I could wear it alone without adding a moisturizer! The packaging it comes in is really beautiful and well thought out, you feel like you're buying a really high-quality item. The bottle itself is also heavy. I would definitely buy this product again.
G**V
It’s okay
It’s okay, I don’t get the hype thought!
M**C
Go to Serum
My husband swears but his serum. Light weight, absorbs into skin and leaves it feeling firm and hydrated.
E**C
Thick & Sticky
I have tried this in a variety of places in my sequence of beauty products both morning and evening. It has landed as my final step at bedtime over my tretinoin. It is a great final moisturizer step for me. It is a bit too sticky and thick for daytime use. I will likely switch to their toner after I run out of this. It has a very thick gel consistency not at all like a serum we are used to in US or EU. It’s too son to know if I’m benefiting from the black tea, but my face certainly feels well moisturized in the morning after using this.
J**E
Wonderful serum!
I have used at least 4 bottles of these serums in the past and I got 3 more this time. The serum is so good for my skin, it’s so moisturizing and soothing. I use it everyday as my skin glows. I wish it comes in a bigger bottle!
T**E
Nice product
Just stared using product goes on smooth and has a nice texture. The packaging and container of item are attractive and better than most skincare products
A**R
Been using this for the last couple of weeks and love how it feels on my skin. No stinging or irritating chemicals on my sensitive skin. My skin feels hydrated and healthy after using. It soakes in so good and leaves a glowing face behind.
E**8
Siero ottimo, giusta consistenza, nn troppo liquido il che consente di non sprecarne nemmeno un grammo….sistende facilmente, non irrita gli occhi e rende subito la pelle morbida e piacevole al tatto…inoltre si asciuga rapidamente e non unge come altri sieri pur lasciando la pelle idratata….confezione lussuosa e dispenser efficiente … unico neo il prezzo un tantino alto ma la spesa è ammortizzata dalla durata del prodotto
M**E
Este sérum no está mal, pero es mucho más buena la crema de la misma marca y el contorno de ojos. Además es una botella no muy grande.
M**N
Feels very nice upon application, and leaves a glowy finish. Product packaging was also extremely sleek and professional. Very pleased!
M**A
I’ve been using the Pyunkang Yul Fermented Black Serum for several weeks now, and I can confidently say it’s become a staple in my skincare routine. This serum is a true gem, especially for anyone looking to improve skin texture, boost elasticity, and achieve a healthy, radiant glow. What makes this product stand out is its fermented ingredients – especially black tea and black soybean extracts. These powerful antioxidants help protect the skin from premature aging while promoting a more even and refined complexion. I noticed that my skin felt smoother and more hydrated after just a few uses. The texture is lightweight yet deeply nourishing. It absorbs quickly without leaving any sticky or greasy residue, which is perfect for layering with other skincare products. It’s also fragrance-free and gentle, making it suitable even for sensitive skin types. One of the most noticeable improvements was in my skin’s firmness and elasticity. With consistent use, my skin looked plumper and more youthful. It also helped calm some redness and improved the overall tone of my skin. In short, the Pyunkang Yul Fermented Black Serum delivers on its promises. It’s a thoughtfully formulated product with high-quality ingredients that provide real, visible results. I highly recommend it for anyone looking to elevate their skincare routine with something both gentle and effective.
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3 weeks ago