Medicube
Deep Vitamin C Capsule SerumA serum built around Niacinamide and PHA, for barrier repair and hydration.
A serum built around Tranexamic acid and Niacinamide, for hydration and pollution defence.
Brand price
USD 24.00 · checked 26 Sept 2026 · brand's site
Brand price
USD 24.70 · checked 26 Sept 2026 · brand's site

At a Glance

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

Key Ingredients

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

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
Hydrating6
Boosts hydration and relieves dry, tight skin.
Butylene Glycol, Caprylic/Capric Triglyceride, Glycerin, Panthenol, Tocopherol, Tripropylene Glycol
Barrier Repair5
Strengthens and restores the skin's natural barrier.
Caprylic/Capric Triglyceride, Glycerin, Niacinamide, Panthenol, Tocopherol
Redness Reducing3
Soothes visible redness and calms irritation.

Concerns

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
May Worsen Seborrheic Dermatitis1
May feed the yeast involved in seborrheic dermatitis.

Ingredients Side-by-side

Hippophae Rhamnoides 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
1,2-Hexanediol (in both products)
Skin Conditioning
Emollient
Hippophae Rhamnoides 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
Diethoxyethyl Succinate (in both products)
Solvent
Antioxidant
Ethylhexylglycerin (in both products)
Skin Conditioning
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Hippophae Rhamnoides Water
Flavouring, Fragrance, Perfuming, Skin Conditioning
Hippophae Rhamnoides Water is the aqueous solution of the steam distillates obtained from the whole plant of the Sea Buckthorn, Hippophae rhmanoides L, Elagnaceae
Learn more about Hippophae Rhamnoides 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 →Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →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 →Diethoxyethyl Succinate
Solvent
Butanedioic acid, bis(2-ethoxyethyl) ester
Learn more about Diethoxyethyl Succinate →Ethylhexylglycerin
Deodorant, Skin Conditioning
Ethylhexylglycerin is the organic compound that conforms to the formula
Learn more about Ethylhexylglycerin →Disodium EDTA
Chelating, Viscosity Controlling
Disodium dihydrogen ethylenediaminetetraacetate
Learn more about Disodium EDTA →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →
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