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Numbuzin No.6 Deep Sleep Mask Serum is a 50ml lightweight, fast-absorbing serum enriched with hyaluronic acid, designed to deeply moisturize and revitalize all skin types overnight. Originating from Korea and backed by over 2,200 positive reviews, it delivers a refreshing water-glow effect and improves skin elasticity, making it a must-have for a radiant morning complexion.













| ASIN | B0915M2CXG |
| Best Sellers Rank | #60,574 in Beauty ( See Top 100 in Beauty ) #1,845 in Serums |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,239) |
| Date First Available | 3 June 2021 |
| Item Dimensions LxWxH | 12.1 x 5.5 x 5.1 Centimeters |
| Item Weight | 50 g |
| Item model number | 8809652580210 |
| Manufacturer | Cosmax |
| Net Quantity | 50.0 Milliliters |
| Product Dimensions | 12.07 x 5.46 x 5.08 cm; 50 g |
S**A
I love it
Really helps my hypersensitive, combination skin. It’s the only serum that doesn’t break me out. I’ve been using it for quite a while now and it makes my skin feel moisturised from inside, especially when I use it as part of my night routine. Several times when my skin feels iffy, I don’t like to layer products as it causes breakouts and so I only apply a slightly increased amount of this and lightly pat it in and wake up with happy skin
N**A
Superb.
Honestly, Initially I was sceptical about this as it seemed like plain water and I thought I wasted my money. But but.....but, after few usages I realised it's magical. It mimics sheet mask in efficacy. This is my holy grail on bad skin nights or if my skin is healing from a Breakout. I just apply this and a moisturizer. It's super soothing and leaves skin healthy through night. Will be a permanent part of my skin care now onwards..
P**A
Always love korean product
I bought 2 time. 1st time price is 1688/-, 2nd time 1576/- My skin is dusky and sensitive and i rarely use makeup product. But this serum really awesome. No side effect and give me moisture and soft also. I feel so soft my skin now. Dry skin is no more now.
S**V
Glass skin
Perfect glass skin
S**I
Hydrating Skin
This product is best for those who have Dry skin and yes i can say this helps me a lot to reduce my pimples and feels like my skin is breathing while i have oily skin type and it didn’t effect my skin.
S**Y
Loved it
For Dry and sensitive skin and its just beyond perfect ❤️
G**D
good
valu for money
S**D
Best product for me
I have been doing this for the last two weeks, I am enjoying it very much, it keeps on my face too.
A**X
I’ve been using this serum together with my Foreo Bear, and I absolutely love it! The texture is lightweight but deeply hydrating. What’s great is that it absorbs quickly without feeling sticky. I liked it so much that I added it to my regular Amazon subscription Highly recommend if you want a soothing, hydrating serum that works well with facial devices.
P**A
uno dei sieri migliori se volete la glass skin senza comprare mille prodotti, io uso solo questo da anni e mai avuta pelle più luminosa super approvato (ho pelle mista)
G**I
This is a hidden gem from Numbuzim regarding hydration and anti-aging. It leaves the skin very dewy, plumped and hydrated. I serves both as a serum, as a last step of the skincare routine after the moisturiser in the Pm routine as a deep overnight facial mask and as a primer before makeup. The results are stunning.
J**Y
Je l'adore, je me lève avec la peau aussi douce que mon enfant de 4 ans. Un gros 10/10
A**Z
I like this! Very light and water texture but intensely hydrating! Wow more than I expected seriously leaves skin soft and with glow! Not heavy or oily at all I have combo skin and it actually balances my overall sebum production so my skin doesn’t look oily to feel dry ! I think it can be sued both winter and summer since it deeply hydrating but watery! Not sticky imo just wonderful!
Trustpilot
5 days ago
2 months ago