Product description
1 Meet our Niacinamide
2 Skin Safety
The color looks lighter than when I first used it.
No artificial colorants are used, so the color may fade with prolonged heat/light exposure.
This does not affect product quality.
There’s a white powder/residue around the bottle opening.
With a high level of actives, any product exposed to air may dry and appear white.
This is normal and safe to use.
Can I use Niacinamide 10 and 20 together?
Because both are high-concentration formulas, we recommend using one at a time or alternating days.
Adjust frequency based on your skin condition.
Will 20% irritate my skin?
Niacinamide is generally low-irritation, but individual sensitivity can vary.
Start every 2–3 days and increase as your skin adapts.
Product Dimensions : 4.25 x 1.85 x 1.69 inches; 5.92 ounces
Manufacturer : COSMECCA KOREA
ASIN : B0FM23ZR4H
Best Sellers Rank: #7,188 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #199 in Facial Serums
Customer Reviews: 4.5 4.5 out of 5 stars (701) 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); } }); });
20% NIACINAMIDE + TXA + GLUTATHIONE BRIGHTENING COMPLEX: This powerful trio of high-strength niacinamide with Tranexamic Acid (TXA) + Glutathione helps improve the look of dark spots, discoloration, and dullness for a more even-looking, radiant tone.
VISIBLE RESULTS IN 2 WEEKS (STUDY-BASED): In a 2-week study, participants showed up to a 27.7% improvement in the appearance of skin clarity and up to a 20% improvement in the look of redness. Results may vary.
PORE + OIL CONTROL FOR GLASS-SKIN LOOK: Helps minimize the appearance of enlarged pores and “orange peel” texture while controlling excess shine. Lightweight, fast-absorbing formula supports a smoother-looking, glass-skin finish.
SENSITIVE-SKIN FRIENDLY WITH CENTELLA: Triple Centella Complex (Asiaticoside, Madecassic Acid, Asiatic Acid) helps calm the look of redness and supports a comfortable-feeling skin barrier. Dermatologist-tested, suitable for daily AM/PM use.
TRUSTED K-BEAUTY, EASY TO LAYER: Made in Korea, 100% Vegan & Cruelty-Free. Apply after cleansing; pat until absorbed and follow with moisturizer. Always use sunscreen in daytime. Non-sticky 40ml layers well under makeup.
Belle Espanol –
Every day use
I’ve been using this facial wash for a few weeks now, and I’m honestly impressed with the results. The texture is gentle and smooth, and it creates a nice light lather without feeling too harsh on the skin. After each wash, my face feels clean and refreshed, but not stripped or dry—which is something I’ve struggled with using other cleansers.What I really like is how it removes dirt and excess oil effectively while still keeping my skin soft and hydrated. I’ve also noticed fewer breakouts and a more even skin tone since I started using it. It has a mild, pleasant scent that isn’t overpowering, which is perfect for daily use.Overall, this facial wash is a great addition to my skincare routine. It’s suitable for everyday use and works well even for sensitive skin. I would definitely recommend it to anyone looking for a reliable and gentle cleanser.
Jun –
Super good serum for sensitive skin
It is really good nia serum. Though 20% niacinamide, it’s still gentle in my skin. after 2 weeks using, my skin is better than ever, looks brighter, even skin tone and smooth. I love it. Highly recommend it for everyone.
leandar –
It works
This has given my skin a smoothness and a hydration like no other . I have very sensitive skin and this worked wonders .
J –
Brightening Power Without the Drama: A Solid Niacinamide Serum That Works
The JUMISO Niacinamide 20 Serum is a genuinely good product that delivers noticeable results with consistent use. The formula feels lightweight and absorbs quickly, making it easy to incorporate into both morning and evening routines. Despite the high niacinamide concentration, it didn’t feel harsh or overly drying, and my skin looked more balanced and refined over time. The added glutathione and tranexamic acid give it an extra brightening boost, helping improve overall tone and clarity.What stands out most is how effective yet comfortable it is to use. My skin felt smoother, more even, and well-hydrated without irritation or pilling under moisturizer or makeup. A little goes a long way, and it layers well with other products, which makes it practical for everyday use. Overall, this serum feels thoughtfully formulated and reliable—an excellent option if you’re looking to target uneven tone and dullness with a product that quietly does its job well.
Gigi –
Good product
I so love this product. It does exactly what it’s supposed to do for my skin. I apply it with my other serums every day in the mornings. It is effective and I can see the difference in my skin. It’s also lightweight. Hyper pigmentation definitely getting lighter.
Genevieve Oliverie –
Cleared acne after one month of use
I love this. It helped to clear my hormonal acne. It is moisturizing with a slightly sticky texture that fades when it dries. My skin feels soft but not oily. The formula isn’t not watery.
Mrs. McB –
Good Product
I am usually very fearful about trying new products especially on my face but this works really well. Half way through my first bottle and I have no regrets. It is really helping to clear my stubborn acne marks and it has not irritated my very sensitive skin.
Grand Regal –
Works okay
The JUMISO Niacinamide works okay. It helped a little with oil control and made my skin feel smoother, but nothing super dramatic. It absorbs well and doesn’t irritate my skin, which I do appreciate.Overall, it’s decent and does what it’s supposed to, just not a standout for me. I’d use it up, but probably wouldn’t rush to repurchase.
Elissa –
جميل واصلي ووصلني مغلف
kelly raven –
Love this stuff
Amazon Customer –
I love this product
Laure Zacharia –
It helped clear acne on my face first but you need to part it with a good moisturiser and hydrating toner
Guadalupe Solis –
No acostumbro a poner reseñas pero este sérum en verdad funciona llevaba como 15 años con manchas de paño por sol, embarazo y nada me había funcionado hasta que probé este sérum en tan solo dos semanas empecé a mirar que se están desvaneciendo por fin.10 de 10