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COSRX’s Advanced The Vitamin C 23 Serum features a high strength 23% pure vitamin C with Super Vitamin E and Glutathione to target uneven skin tone, early signs of aging, and dullness. Ideal for experienced vitamin C users seeking visible brightening and firmer skin, it absorbs smoothly to leave the complexion more radiant, supple, and revitalized.
20 g
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4.9 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Captivating
Format: Hardcover
I enjoyed reading this book and look forward to sharing it with friends and family.
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Reviewed in the United States on November 27, 2022
★★★★★ 5
Best LitRPG
Format: Kindle
This is absolutely the best litRPG I've ever read as well as the best self-published series. Between the character progression, the amazing sense of humor, and the relatability of the characters, this is my top recommendation for anyone interested in litRPGs. I fell in love so much that I had to sign up for the Patreon account so I could get my fix regularly (5 new chapters each week). I even managed to get my roommate hooked on the audiobooks.
If you're looking for a fun story with loveable characters, surprising insights, and epic fights, this is for you.
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Reviewed in the United States on October 24, 2022
★★★★★ 5
What the??!!!!??
Format: Kindle
This book"kills" it!!! It kept making me laugh out loud and waking up my wife... NOT COOL!! She needs her sleep...and I can't really tell her what is so darn funny because She Hasn't read any of this series and wont get the joke. It also brought tears to my eyes reminding me of actual life events I've lived through. Loss,honor, loyalty, friendship, dangerous situations... Amazing stuff! I can't stop laughing and reading. Awesome...
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Reviewed in the United States on July 12, 2025
★★★★★ 4
A lot of useless skipping around...
Format: Kindle
So, I really enjoy the underlying story, but I really wish the writing was cleaned up. There were so many little sections, a few paragraphs to a few pages that were bouncing all over the place. And while some sort of moved the plot along, the vast majority were just filler.
It would have been significantly more fluid if events were portrayed through characters experiences, than just having narration about everything happening all over.
In addition, I know this is a web novel, and they tend to be written chapter by chapter. This, painfully, results in less cohesion from start to middle to end. The story ends up feeling choppy, and the overall arc throughout the book suffers. In fact, over >700 pages and we really didn't make a ton of headway until ~60% of the way through the book. That's when things really started. The majority before was fluff and filler. Useful, but only once distilled and refined.
I'm really hoping that for future books, Shirtaloon spends some time really thinking what is critical for the plot, and how to incorporate as much of that plot progression through the lenses of the characters in lieu of just narrating pages and pages of stuff. For example, instead of spending 100s of pages on mentioning all the places in the world crumbling from infighting and corruption, instead portray that through the character. It reads so much better, and ends up being more concise, and allows for opportunities for further character development all while building the world.
I love more story, but I'd prefer reading a 700 page story. Not a 400 page story in 700 pages. Let's make all the pages matter.
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Reviewed in the United States on April 8, 2022
★★★★★ 5
great series
Format: Kindle
I have really enjoyed these books. Highly recommend reading them. Plan to read all of the series. Keeps getting better.
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Reviewed in the United States on March 29, 2026