Medicube
Red SerumNumbuzin
No.6 Deep Sleep Mask SerumA serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
A serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
Brand price
USD 20.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 21.00 · checked 26 Sept 2026 · brand's site
At a Glance
They come out differently on Fragrance-free, Alcohol-free and Silicone-free; those rows are shaded. Tap any answer to see why.
Key Ingredients
Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Benefits
Hydrating13
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Camellia Sinensis Leaf Extract, Caprylic/Capric Triglyceride, Ceramide NP, Dipotassium Glycyrrhizate, Glycerin, Panthenol, Propanediol, Tocopherol, Trehalose, Xylitol, Zinc PCA
Barrier Repair13
Strengthens and restores the skin's natural barrier.
Allantoin, Aloe Barbadensis Flower Extract, Betaine, Camellia Sinensis Leaf Extract, Caprylic/Capric Triglyceride, Ceramide NP, Glycerin, Isododecane, Melaleuca Alternifolia Leaf Oil, Niacinamide, Panthenol, Tocopherol, Xylitol
Reduces Irritation7
Eases discomfort and supports skin resilience.
Allantoin, Camellia Sinensis Leaf Extract, Centella Asiatica Leaf Extract, Dipotassium Glycyrrhizate, Panthenol, Salix Alba Bark Extract, Zinc PCA
Redness Reducing4
Soothes visible redness and calms irritation.
Allantoin, Centella Asiatica Leaf Extract, Niacinamide, Salix Alba Bark Extract
Hydrating19
Boosts hydration and relieves dry, tight skin.
Anhydroxylitol, Butylene Glycol, Dipotassium Glycyrrhizate, Fructooligosaccharides, Fructose, Glucose, Glycereth-26, Glycerin, Hyaluronic Acid, Hydrolyzed Glycosaminoglycans, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium PCA, Tocopherol, Xylitol, Xylitylglucoside
Barrier Repair6
Strengthens and restores the skin's natural barrier.
Aloe Barbadensis Flower Extract, Glycerin, Niacinamide, Panthenol, Tocopherol, Xylitol
Reduces Irritation2
Eases discomfort and supports skin resilience.
Concerns
May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
C12-14 Alketh-12, Ceramide NP, Hydrogenated Lecithin, Sodium Stearoyl Glutamate, Sorbitan Oleate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Irritation3
May cause stinging, redness or sensitivity.
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.
Ingredients Side-by-side
Skin Conditioning
Fragrance
0 / —
- Denatured alcohol
- May Worsen Dryness
- May Worsen Eczema
- May Worsen Irritation
- May Worsen Rosacea
1,2-Hexanediol (in both products)
Skin Conditioning
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Solvent
Niacinamide (in both products)
Smoothing
0 / —
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
1,2-Hexanediol (in both products)
Skin Conditioning
Skin Conditioning
Humectant
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Xylitol
Anti-seborrheic, Deodorant, Flavouring, Humectant, Humectant
Xylitol is the pentahydric alcohol that conforms to the formula
Learn more about Xylitol →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Pentylene Glycol
Skin Conditioning, Solvent
1,2-Dihydroxypentane
Learn more about Pentylene Glycol →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Dipotassium Glycyrrhizate
Humectant, Skin Conditioning
.alpha.-d-Glucopyranosiduronic acid, (3.beta.,20.beta.)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-.beta.-d-glucopyranuronosyl-, dipotassium salt
Learn more about Dipotassium Glycyrrhizate →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Adenosine
Skin Conditioning
6-Amino-9-beta-D-ribofuranosyl-9H-purine
Learn more about Adenosine →
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