Medicube
Retinol NMN Boosting SerumMedicube
Red SerumA serum built around Retinoid and Vitamin E, for barrier repair and hydration.
A serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
Brand price
USD 26.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 20.00 · checked 26 Sept 2026 · brand's site

At a Glance

They come out differently on Fragrance-free, Alcohol-free, Silicone-free and Oil-free; those rows are shaded. Tap any answer to see why.

Key Ingredients


Benefits

Hydrating13
Boosts hydration and relieves dry, tight skin.
Acetyl Hexapeptide-8, Acetyl Tetrapeptide-5, Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Glycereth-26, Glycerin, Panthenol, Propanediol, Sodium Hyaluronate Crosspolymer, Squalane, Tocopherol
Barrier Repair16
Strengthens and restores the skin's natural barrier.
Allantoin, Bifida Ferment Lysate, Brassica Campestris Sterols, Camellia Japonica Flower Extract, Caprylic/Capric Triglyceride, Ceramide NP, Cetyl Ethylhexanoate, Cholesterol, Elaeis Guineensis Oil, Eriobotrya Japonica Leaf Extract, Glycerin, Macadamia Ternifolia Seed Oil, Niacinamide, Panthenol, Squalane, Tocopherol
Reduces Irritation8
Eases discomfort and supports skin resilience.
Allantoin, Asiatic Acid, Asiaticoside, Beta-Glucan, Centella Asiatica Leaf Extract, Madecassic Acid, Palmitoyl Tetrapeptide-7, Panthenol
Redness Reducing6
Soothes visible redness and calms irritation.
Allantoin, Asiatic Acid, Asiaticoside, Centella Asiatica Leaf Extract, Madecassic Acid, Niacinamide
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

Concerns

May Worsen Seborrheic Dermatitis15
May feed the yeast involved in seborrheic dermatitis.
Acetyl Hexapeptide-8, Aluminum/Magnesium Hydroxide Stearate, Ceramide NP, Cetyl Ethylhexanoate, Elaeis Guineensis Oil, Glyceryl Citrate/Lactate/Linoleate/Oleate, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-5, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Polyacrylate Crosspolymer-6, Polyglyceryl-10 Laurate, Polyglyceryl-10 Oleate, Potassium Cetyl Phosphate
May Worsen Oily Skin3
May increase shine or excess oil.
Elaeis Guineensis Oil, Macadamia Ternifolia Seed Oil, Squalane
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.

Ingredients Side-by-side

Water (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
Water (in both products)
Skin Conditioning
Emollient
- Plant oils and butters (coconut, olive, shea)
- Plant or mineral oil
- Barrier Repair
- May Worsen Oily Skin
- May Worsen Seborrheic Dermatitis
Hydrogenated Lecithin (in both products)
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Water (in both products)
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
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →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 →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →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 →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Ammonium Acryloyldimethyltaurate/Vp Copolymer
Viscosity Controlling
Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers
Learn more about Ammonium Acryloyldimethyltaurate/Vp Copolymer →Polyquaternium-51
Film Forming, Skin Conditioning
2-(N,N,N-Trimethylamino)ethyl 2-(2-methyl-2-propenoyloxy)ethyl phosphate inner salt, polymer with butyl 2-methyl-2-propenoate
Learn more about Polyquaternium-51 →Tocopherol
Antioxidant, Fragrance, Skin Conditioning, Occlusive
Tocopherol is vitamin E.
Learn more about Tocopherol →
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