589,00 Kč
The Numbuzin No.6 Deep Sleep Mask Serum is an overnight treatment made to support smooth and refreshed skin by morning. Moreover, this sleep mask serum helps improve dull and tired-looking skin. Because the texture feels light, the serum absorbs well and stays comfortable during the night.
Why This Deep Sleep Mask Serum Supports Night Care
This mask serum helps improve dry and rough skin. In addition, the deep sleep formula supports smoother texture and better moisture balance. As a result, the face looks fresh after waking up.
Furthermore, this Numbuzin serum works as the last step of evening care. Because the sleep mask texture forms a soft layer, it helps reduce moisture loss overnight.
Key Ingredients in This Sleep Mask Serum
– Hyaluronic Acid – helps keep moisture in the skin.
– Panthenol – supports soft and calm skin feel.
– Niacinamide – helps improve uneven tone.
– Peptides – support smooth skin texture.
Moreover, this deep sleep serum focuses on simple overnight care.
Main Benefits of This Overnight Mask Serum
This sleep mask serum helps improve tired-looking skin. In addition, the Numbuzin formula supports soft and smooth texture. Because it stays on the skin overnight, the mask serum helps maintain moisture.
Moreover, regular use of this deep sleep treatment supports a fresh morning look. Because the formula feels light, it suits normal and dry skin types.
You can expect:
• smoother-looking skin
• improved moisture balance
• soft texture
• fresh morning glow
• light overnight comfort
As a result, the skin feels calm and refreshed.
Who Will Benefit From Numbuzin No.6 Deep Sleep Mask Serum?
This overnight serum is suitable for normal, dry, and combination skin. Moreover, it works well for skin that looks dull or tired. Because the night formula focuses on moisture care, Numbuzin No.6 Deep Sleep Mask Serum supports simple evening routines.
Numbuzin creates problem-solving Korean skincare with a clear, numbered system. Each product targets a specific skin concern with focused ingredients. Many people choose these products because the approach feels simple, logical, and effective.
The philosophy centers on clarity and function. Numbered formulas help users pick the right solution for their needs. Moreover, the brand uses proven actives that support hydration, texture, and skin balance without irritation.
In addition, the range includes toners, serums, essences, and masks with lightweight textures. They absorb quickly and layer easily in different routines. Therefore, the products suit both beginners and experienced skincare users.
The formulas avoid unnecessary additives and focus on targeted care. As a result, they work well for dull, uneven, sensitive, and combination skin types. Regular use helps improve clarity, smoothness, and overall skin comfort.
At KO-CO Beauty, you can explore a curated selection of these skincare favourites with fast EU-wide delivery. Discover Korean skincare that makes choosing the right routine clear, easy, and results-driven every day.
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Apply as the last step of your evening routine.
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Spread evenly over the face.
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Leave on overnight.
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Rinse in the morning if needed.
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Use 2–3 times per week or as desired.
Glacial Water(63%), Butylene Glycol, Propanediol, Glycerin, Niacinamide, 1,2-Hexanediol, Purified Water, Chlorella Vulgaris Extract, Xylitylglucoside, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Xylitol, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Coccinia Indica Fruit Extract, Aloe Barbadensis Flower Extract, Solanum Melongena (Eggplant) Fruit Extract, Ocimum Sanctum Leaf Extract, Corallina Officinalis Extract, Curcuma Longa (Turmeric) Root Extract, Hyaluronic Acid, Glycereth-26, Panthenol, Pentylene Glycol, Glucose, Sodium PCA, Anhydroxylitol, Fructooligosaccharides, Fructose, Polyglyceryl-10 Laurate, Sodium Citrate, Dipotassium Glycyrrhizate, Sodium Hyaluronate Crosspolymer, Ethylhexylglycerin, Adenosine, Hydrolyzed Glycosaminoglycans, Citric Acid, Benzyl Glycol, Tocopherol, Xanthan Gum
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A Quick Guide to Korean Skincare
A Gentle and Research-Driven Approach
Korean skincare is known for combining gentle formulations with modern dermatological research. Instead of focusing on quick fixes, it emphasizes long-term skin balance, hydration, and overall comfort. This makes Korean products suitable for a wide variety of skin types, including sensitive or reactive skin.
The Philosophy of Layering
One of the characteristic elements of Korean skincare is the concept of layering. Lightweight products are applied in several steps to help the skin better absorb hydration and active ingredients. This method allows users to customize their routines based on their skin’s daily needs without overwhelming it.
A Wide Range of Ingredients
Korean skincare often features a diverse selection of ingredients. These may include plant extracts, fermented components, soothing botanicals, ceramides, and advanced complexes created in specialized laboratories. The goal of these formulations is usually to strengthen the skin barrier, maintain healthy moisture levels, and support overall skin comfort.
Innovations That Changed Global Skincare
Several product types that are now common worldwide originated in Korean beauty traditions. Sheet masks, essences, sleeping masks, and cleansing balms all gained popularity through K-beauty. These innovations helped transform skincare into a more thoughtful, preventive, and enjoyable routine.
Continuous Development and Improvement
Korean skincare continues to evolve with new technologies, textures, and ingredient combinations. This ongoing progress allows users to explore products that match their individual preferences and contribute to healthy-looking, well-balanced skin over time.

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