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 37.00 · 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, Oil-free and Cruelty-free; those rows are shaded. Tap any answer to see why.

Key Ingredients

Fatty alcohol1
Waxy fatty alcohols used as emollients and thickeners; unrelated to drying alcohol.

Benefits

Hydrating12
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Camellia Sinensis Leaf Extract, Dipotassium Glycyrrhizate, Glycerin, Helianthus Annuus Seed Oil, Hyaluronic Acid, Hydroxyethyl Urea, Propanediol, Sodium Hyaluronate, Squalane, Stearic Acid, Tocopherol
Barrier Repair13
Strengthens and restores the skin's natural barrier.
Allantoin, Camellia Sinensis Leaf Extract, Cetearyl Alcohol, Glycerin, Glyceryl Stearate, Glycine Soja Oil, Helianthus Annuus Seed Oil, Niacinamide, Palmitic Acid, Sodium Polyacrylate, Squalane, Stearic Acid, Tocopherol
Reduces Irritation4
Eases discomfort and supports skin resilience.
Achillea Millefolium Extract, Allantoin, Camellia Sinensis Leaf Extract, Dipotassium Glycyrrhizate
Redness Reducing3
Soothes visible redness and calms irritation.
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 Trigger Acne7
Can clog pores or trigger breakouts.
Cetearyl Alcohol, Glycine Soja Oil, Lauric Acid, Myristic Acid, Palmitic Acid, Stearic Acid, Tocopherol
May Worsen Seborrheic Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Cetearyl Alcohol, Glyceryl Stearate, Glycine Soja Oil, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Lauric Acid, Myristic Acid, Palmitic Acid, Polyglyceryl-3 Methylglucose Distearate, Sodium Stearoyl Glutamate, Stearic Acid
May Worsen Keratosis Pilaris7
May clog follicles or strip skin prone to keratosis pilaris.
Cetearyl Alcohol, Glycine Soja Oil, Lauric Acid, Myristic Acid, Palmitic Acid, Stearic Acid, Tocopherol
May Worsen Oily Skin3
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

Skin Conditioning
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
1,2-Hexanediol (in both products)
Skin Conditioning
Viscosity Controlling
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.
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 →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene 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 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →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 →Allantoin
Skin Conditioning, Skin Protecting, Soothing
Urea, (2,5-dioxo-4-imidazolidinyl)-
Learn more about Allantoin →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →
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