Numbuzin No.6 Deep Sleep Mask Serum(50ml)

The packaging is sleek and the product inside is even better. It absorbs quickly and provides a perfect dewy finish. 10/10 from me.

I’ve officially moved this to my 'holy grail' shelf. It keeps my skin clear, smooth, and incredibly hydrated. Best serum I’ve found!

This serum is like a reset button for my face. It makes me look calm and refreshed every morning. It’s a very impressive and effective product.

Does exactly what it says—hydrates and glows. It’s a very sophisticated formula and worth every penny. My skin has never looked better.

I use this as the final step in my routine and it makes everything work better. It’s very hydrating and leaves a great base for the next morning.

The finish is lovely—clear, dewy, and healthy. It feels very good and looks so vibrant. I’ll definitely be repurchasing.

My skin texture has improved so much. This serum seems to gently refine the skin while providing tons of moisture. My face feels as soft as silk.

I’ve used this in winter and summer, and it works perfectly. It provides just the right amount of moisture without being heavy. Very versatile.

My face feels so soft after applying this. It’s a very effective night serum that really improves the texture of my skin. Highly recommended.

If you want to wake up with that K-beauty glow, start with this serum. It’s very hydrating and brightens the skin beautifully. I’m obsessed.

This is my go-to after washing my face. It instantly relieves that tight feeling and leaves my skin feeling soothed and happy. Brilliant stuff.

It’s so much more effective than a standard moisturiser. It really sinks in and keeps my skin hydrated all night long. Simply the best.

Everything about this serum is perfect—the texture, the results, and the feel. It’s easily the best night serum I’ve ever used.

I've tried many, but this No. 6 serum is definitely the best. It leaves my skin feeling very soft and looking incredibly clear. High quality!

I’ve had so many compliments on my skin since I started using this. It gives a natural, lit-from-within glow that looks so healthy.

I noticed my skin looking much more 'full' and hydrated within just a few days. It really helps to fill out those fine dehydration lines.

I reach for this every single night now. It makes my skin look so clear and bright by the morning. It’s the perfect end to my skincare routine.

I have sensitive skin and this has been such a relief. It hydrates without causing any irritation or breakouts. A very clever and well-formulated product.

I love how this feels on my face—it’s very calming. It’s helped with my redness and makes my skin look so much more even and clear. A fantastic, high-performance serum.

I’ve tried so many night serums, but this is the first one that has made a real difference. My skin looks so much younger and more radiant. I’m obsessed with the results!

My complexion usually looks so tired, but this has totally changed that. It’s cooling, calming, and provides deep hydration. No stickiness, just perfect, healthy skin.

If you want that K-beauty dewy look, this is your best friend. It leaves my skin looking so luminous and healthy in the morning. It really does live up to the 'Deep Sleep' name!

I look like I’ve had 10 hours of sleep even when I haven’t. This serum is like a tall glass of water for my face—so plump and hydrated by morning. Absolutely brilliant stuff.

The serum itself is a solid 5 stars—it’s so soothing and hydrating. I'm only giving 4 stars because the delivery box arrived quite crushed. The bottle inside was fine, but the outer packaging needs more protection.

This serum is so impressive. It feels like a premium, high-end product. My skin feels bouncy, firm, and incredibly soft when I wake up. I’ll definitely be buying another bottle.

My skin was feeling so dehydrated and dull, but this brought it back to life overnight. It’s light, non-greasy, and works so much better than a heavy sleeping pack. A new staple in my routine.

This has really helped fade some of my sun spots. My skin tone is so much more even. I love how it makes my skin look so luminous and youthful.

I've officially moved this to my 'holy grail' shelf. It does everything it says on the tin and more. My skin has never looked so clear or felt so healthy.

I don't know how it does it, but my pores look so much clearer in the morning. It’s hydrating but also keeps my skin looking refined. I'm totally hooked!

I hate heavy creams at night, so this serum-mask is perfect. It's so light but works just as hard as a heavy overnight pack. My skin feels perfectly balanced.

I wake up with such a calm, even skin tone. Usually, I'm quite red in the mornings, but this serum has totally sorted that out. Truly a miracle in a bottle.

My skin barrier was in bits after over-exfoliating, and this serum brought it back to health. It's so soothing and rich without being greasy. I wake up with such soft skin.

I finally get the hype. It leaves my skin looking like a glazed donut before bed and the hydration really lasts until the morning. Best thing for my night routine.