Medicube
Red SerumA serum built around Niacinamide and Zinc salt, for hydration and barrier repair.
A serum built around AHA and Glycolic acid, for hydration and barrier repair.
Brand price
USD 20.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 18.20 · checked 26 Sept 2026 · brand's site

At a Glance

They come out differently on Fragrance-free, Alcohol-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.
Ceramide3
Skin-identical lipids that hold the barrier together.

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
Hydrating20
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Betaine, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide AP, Ceramide EOP, Ceramide NP, Gluconolactone, Glycerin, Hyaluronic Acid, Hydrolyzed Glycosaminoglycans, Hydrolyzed Hyaluronic Acid, Hydroxyethyl Urea, Panthenol, Propanediol, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Stearic Acid, Tocopherol, Urea
Barrier Repair14
Strengthens and restores the skin's natural barrier.
Betaine, Caprylic/Capric Triglyceride, Ceramide AP, Ceramide EOP, Ceramide NP, Cetearyl Alcohol, Cholesterol, Diphenyl Dimethicone, Glycerin, Niacinamide, Panthenol, Phytosphingosine, Stearic Acid, Tocopherol

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 Dermatitis11
May feed the yeast involved in seborrheic dermatitis.
Ceramide AP, Ceramide As, Ceramide EOP, Ceramide NP, Ceramide Ns, Cetearyl Alcohol, Hydrogenated Lecithin, Phytosphingosine, Polyglyceryl-10 Laurate, Sphingomonas Ferment Extract, Stearic Acid
May Worsen Keratosis Pilaris3
May clog follicles or strip skin prone to keratosis pilaris.

Ingredients Side-by-side

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
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
Panthenol (in both products)
Skin Conditioning
0 / 0
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
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 →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →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 →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 →Betaine
Hair Conditioning, Humectant, Humectant
Betaine is the zwitterion (inner salt) that conforms to the formula
Learn more about Betaine →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 →Hydrogenated Lecithin
Skin Conditioning, Emulsifying
Hydrogenated Lecithin isn't fungal acne safe.
Learn more about Hydrogenated Lecithin →
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