Medicube
Red SerumA serum built around Niacinamide and Vitamin E, for barrier repair and smoothing.
A serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
Brand price
USD 22.00 · checked 8 Oct 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, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients


Benefits

Hydrating7
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Caprylic/Capric Triglyceride, Glycerin, Helianthus Annuus Seed Oil, Methyl Gluceth-20, Tocopherol
Barrier Repair13
Strengthens and restores the skin's natural barrier.
Bakuchiol, Betaine, Brassica Campestris Sterols, Caprylic/Capric Triglyceride, Cholesterol, Glycerin, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Niacinamide, Paeonia Suffruticosa Root Extract, Panax Ginseng Root Extract, Sh-Oligopeptide-2, Tocopherol
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 Dermatitis9
May feed the yeast involved in seborrheic dermatitis.
Aluminum/Magnesium Hydroxide Stearate, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Polyglyceryl-10 Oleate, Polyglyceryl-3 Methylglucose Distearate, Potassium Cetyl Phosphate, Sorbitan Stearate
May Worsen Oily Skin2
May increase shine or excess oil.
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

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
Humectant
Polyglyceryl-3 Methylglucose Distearate
Emulsifying
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Emollient
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.
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 →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →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 →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 →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 →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 →Carbomer
Emulsion Stabilising, Gel Forming, Viscosity Controlling
2-Propenoic acid, polymer with 2,2-bis(hydroxymethyl)propane-1,3-diol 2-propenyl ether
Learn more about Carbomer →Tromethamine
Buffering, Fragrance
1,3-Propanediol, 2-amino-2-(hydroxymethyl)-
Learn more about Tromethamine →
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