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numbuzin No.5 Serum is a 30 ml Korean vitamin-concentrated serum combining Vitamin C and Glutathione to effectively reduce hyperpigmentation and acne scars. Clinically tested with a 0.0 irritation rate, it’s ideal for sensitive skin, delivering brightening and skin texture improvement in a lightweight, fast-absorbing formula.

















| ASIN | B0C61FD7P9 |
| ASIN | B0C61FD7P9 |
| Best Sellers Rank | 4,602 in Beauty ( See Top 100 in Beauty ) 117 in Face Serums |
| Brand | numbuzin |
| Colour | Off White |
| Country of origin | Korea, Republic of |
| Customer Reviews | 4.4 4.4 out of 5 stars (4,411) |
| Customer reviews | 4.4 4.4 out of 5 stars (4,411) |
| Date First Available | 18 May 2023 |
| Format | Drop |
| Item dimensions L x W x H | 10 x 5 x 2 centimetres |
| Item model number | NBZ-024 |
| Item model number | NBZ-024 |
| Item weight | 100 Grams |
| Manufacturer | BENOW Inc. |
| Manufacturer | BENOW Inc. |
| Package Weight | 0.1 Kilograms |
| Package dimensions | 10.6 x 7 x 3.9 centimetres |
| Product Dimensions | 10 x 5 x 2 cm; 100 g |
| Product Dimensions | 10 x 5 x 2 cm; 100 g |
| Scent | Aloe |
| Skin type | Sensitive |
| Volume | 1.01 Fluid Ounces |
J**I
incredible Vitamin C serum with none of the aggravation
i have used a number of vitamin c serums and i just havent been able to get on with any so far. L-ascorbic acid can be very aggravating to many people, causing sensitive skin that can flake and peel before getting used to the active ingredients. the way numbuzin has formulated this No.5 serum is incredible. It still has a slight hot dog water smell (if you know you know!) but its very mild, but it feels amazing on the skin. its left looking glowy but not artificially so, and i have seen a definite improvement to my skins texture and radiance. Best of all, there has been absolutely zero irritation. Amazing product and one that i will buy forever i expect!
S**N
Very effective
Excellent staple in my teen son skin, helping with acne scars
B**L
Good serum, hasn’t broken me out, slow results
So far so good, nice consistency, not too runny or sticky. Cloudy serum which has helped to brighten skin over the last 2 weeks. Works well with microneedling, didn’t cause too much irritation. Also hasn’t broken me out or caused any reactions even though I have acne-prone skin. 4 stars because results are very slow…. Hasn’t brightened as much as I would’ve hoped over the last 2 weeks, will see if using for a month makes a difference.
D**?
Vit C
Love this vitamin C. First bought it in Korea. Glad to to see it available here. Drys well on skin
J**E
Holygrail !
This is the best vitmin C serum in the world!. I will purchase forever.
D**M
Just Okay! Is it actually doing anything?
One of those products I wonder if it’s actually doing anything?! No tingling or sensitivity. It’s a nice texture that sinks in. No instructions how much to use though! Seems to layer with everything else I’ve combined it with it in my routine. Just not convinced it’s doing anything other than hydration and skin softness. Recently, since using this product and sunscreen I have got a dark mark on my upper cheek bone and it doesn’t seem to help brighten it. I find it absurd I have to use several bottles to see anything. So I won’t be buying again once this bottles finished. Which won’t be long! I’m still debating whether this is genuine as Numbuzins own guide doesn’t match this bottle. No date on the bottle & the colour of the product is different to their description. Be aware, there is no Azelaic Acid in the formula. I think previously there was an error in the description which included it, this has since been removed. Just not sure this version of ‘Vitamin C’ is affective especially using one bottle. I think it’s slow progress and you would need to use several if you can commit.
L**H
Great product
Amazing product but may need to build up use a quite strong
A**A
😍
Its very effective to reduce darkspots.
S**K
na
S**L
3-MONTH RESULTS (2x day): Slight fading of deep dark acne scars and age spots. Evens out skin tone. Gentle and not irritating. I am guessing this will take 6 to 9 months for deeper scars to fade. The pamphlet on Yesstyle.com shows 9.65% improvement in Blemishes after 4 weeks and 18.9% for even skin tone (this means expect slow steady results). They recommend also using the toner pad for faster results (165% improvement) but the combo irritated my skin. Overall, I like that it is gentle and will continue using it, right after the Toner. KEY INGREDIENTS: Contains the right chemicals known to fade dark spots like Glutathione, 4% Tranexamic Acid, 5% Niacinamide (both suppresses melanin), Alpha-Arbutin, Vit C, 3-0-Ethyl Ascorbic Acid, Tumeric etc. TEXTURE: Light serum, not sticky, absorbs quickly after Toner. Tap face gently for a few seconds after applying to help the skin absorb quicker before adding the next product (tip from korean skincare companies that works). ACNE PREVENTION TIPS: Best way to see improvement of skin is to keep the pores clear and acne from re-surfacing. I have not had a single breakout in 3 months using this routine. Also changed my skin type from Oily Combo to Normal. STEP 1 (2x day) - Use SEBUM CONTROL TONER to regulate skin oil production (I use NUMBUZIN No. 1 blue bottle) STEP 2 (2x day) - Use ANTIBACTERIAL SERUM to reduce inflammation (I use Beauty of Joseon Glow Serum w/60% propolis, Tea Tree) STEP 3 (2x week) - EXFOLIATE to keep pores clear, as clogged pores breed acne. I use Beauty of Joseon Ground Rice and Honey mud mask. Leave on face and neck for 15 minutes; this is a very gentle product. STEP 4 (Optional) - EAT food that aide the digestive system and help prevent acne like Yogurt, Kimchi and Sauerkraut (eat small amounts 2-3 times a week). I hope these tips are helpful to everyone.
C**E
Ottimo siero è leggero e non appiccica. È la seconda volta che lo ricompro. Consegna abbastanza veloce e ad un buon prezzo.
L**T
He estado usando el Numbuzin Nº5 Serum y me ha gustado mucho. Tiene una textura ligera, se absorbe rápido y no deja sensación pegajosa. Con el uso constante he notado la piel más luminosa y uniforme. No me causó irritación y funciona bien dentro de mi rutina diaria. Buen producto.
F**O
I love it actually.i have been using this serum since last year i also recommend to my friends and my mother and she love it .she repurchased this like 7 times .its great for hyperpigmentation and skin discolouration and also dull skin .give it a try
Trustpilot
2 days ago
1 month ago