Medicube
Deep Vitamin C Capsule SerumA serum built around Niacinamide and Hyaluronic acid, for hydration and barrier repair.
A serum built around Niacinamide and PHA, for barrier repair and hydration.
Brand price
USD 22.00 · checked 8 Oct 2026 · brand's site
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site

At a Glance

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

Key Ingredients

Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Vitamin C derivative (stable)5
Stable derivatives of ascorbic acid.
3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Magnesium Ascorbyl Phosphate, Sodium Ascorbyl Phosphate

Benefits

Hydrating16
Boosts hydration and relieves dry, tight skin.
Beta-Glucan, Butylene Glycol, Caprylic/Capric Triglyceride, Ceramide NP, Collagen, Collagen Water, Glycereth-26, Glycerin, Hydrolyzed Collagen, Polyglutamic Acid, Polyglycerin-3, Propanediol, Sodium Hyaluronate, Soluble Collagen, Squalane, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Ceramide NP, Cetearyl Olivate, Glycerin, Hydrolyzed Collagen, Niacinamide, Panax Ginseng Root Extract, Squalane, Tocopherol
Hydrating11
Boosts hydration and relieves dry, tight skin.
Caprylic/Capric Triglyceride, Gluconolactone, Glycereth-26, Glycerin, Helianthus Annuus Seed Oil, Hydrolyzed Hyaluronic Acid, Panthenol, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Tocopherol
Barrier Repair14
Strengthens and restores the skin's natural barrier.
Allantoin, Ascorbyl Tetraisopalmitate, Caprylic/Capric Triglyceride, Cholesterol, Coriandrum Sativum Fruit Oil, Glycerin, Glycine Max Oil, Helianthus Annuus Seed Oil, Isononyl Isononanoate, Litsea Cubeba Fruit Oil, Niacinamide, Olea Europaea Fruit Oil, Panthenol, Tocopherol

Concerns

May Worsen Seborrheic Dermatitis5
May feed the yeast involved in seborrheic dermatitis.
Ceramide NP, Cetearyl Olivate, Hydrogenated Lecithin, Polyglyceryl-10 Laurate, Sorbitan Olivate
May Worsen Seborrheic Dermatitis14
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Ascorbyl Tetraisopalmitate, C12-14 Alketh-12, Castor Oil/Ipdi Copolymer, Dextrin Palmitate, Dibutyl Lauroyl Glutamide, Glycine Max Oil, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Hydrogenated Phosphatidylcholine, Octyldodeceth-16, Olea Europaea Fruit Oil, Polyglyceryl-10 Laurate, Sodium Acetylated Hyaluronate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
May Worsen Oily Skin3
May increase shine or excess oil.
Glycine Max Oil, Helianthus Annuus Seed Oil, Olea Europaea Fruit Oil

Ingredients Side-by-side

Water (in both products)
Skin Conditioning
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
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
1,2-Hexanediol (in both products)
Skin Conditioning
Emollient
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 →Propanediol
Solvent, Viscosity Controlling
Propanediol is the organic compound that conforms to the formula
Learn more about Propanediol →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 →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Glycereth-26
Humectant, Viscosity Controlling
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
Learn more about Glycereth-26 →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →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 →Xanthan Gum
Binding, Emulsion Stabilising, Gel Forming, Skin Conditioning, Cleansing, Emulsifying, Viscosity Controlling
Xanthan gum
Learn more about Xanthan Gum →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 →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →
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