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Medicube
Deep Vitamin C Capsule Serum
A serum built around Niacinamide and PHA, for barrier repair and hydration.
Brand price
USD 24.00 · checked 26 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Combination skin
- Dark spots & pigmentation
- Dullness
- Uneven texture
How to use
STEP1 Vitamin C liposome capsules absorb quickly into the skin, melting seamlessly to deliver refreshing care STEP2 Hippophae Rhamnoides Water and Niacinamide help refresh tired-looking skin, supporting a more energized and healthy-looking complexion STEP3 Hyaluronic Acid, Tocopherol, and Glutathione replenish moisture, finishing with skin that looks hydrated and radiant
What's inside
Ingredients List
22 trigger at least one check · 32 trigger none
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
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
Hyaluronic acid1
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Vitamin C6
Vitamin C in any form: an antioxidant and brightener.
3-O-Ethyl Ascorbic Acid, 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
Smoothing7
Refines rough or uneven texture.
Allantoin, Ascorbyl Tetraisopalmitate, Cholesterol, Glycine Max Oil, Helianthus Annuus Seed Oil, Isononyl Isononanoate, Niacinamide
Brightening8
Restores radiance to dull, tired skin.
3-O-Ethyl Ascorbic Acid, Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Glutathione, Magnesium Ascorbyl Phosphate, Niacinamide, Sodium Ascorbyl Phosphate
Dark Spots7
Fades dark spots for a more even tone.
3-O-Ethyl Ascorbic Acid, Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Magnesium Ascorbyl Phosphate, Niacinamide, Sodium Ascorbyl Phosphate
Antioxidant7
Shields skin from free radical damage.
3-O-Ethyl Ascorbic Acid, Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Magnesium Ascorbyl Phosphate, Sodium Ascorbyl Phosphate, Tocopherol
Anti-Pollution8
Helps defend against airborne pollutants.
Allantoin, Ascorbic Acid, Ascorbyl Glucoside, Ascorbyl Tetraisopalmitate, Glycerin, Magnesium Ascorbyl Phosphate, Sodium Ascorbyl Phosphate, Tocopherol
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 Irritation7
May cause stinging, redness or sensitivity.
Citrus Medica Vulgaris Peel Oil, Coriandrum Sativum Fruit Oil, Foeniculum Vulgare Oil, Litsea Cubeba Fruit Oil, Mentha Arvensis Leaf Oil, Rosmarinus Officinalis Leaf Oil, Tocopherol
May Worsen Eczema6
May worsen itching or irritation for eczema-prone skin.
Citrus Medica Vulgaris Peel Oil, Coriandrum Sativum Fruit Oil, Foeniculum Vulgare Oil, Litsea Cubeba Fruit Oil, Mentha Arvensis Leaf Oil, Rosmarinus Officinalis Leaf Oil
May Worsen Rosacea6
Can trigger flare-ups in rosacea-prone skin.
Citrus Medica Vulgaris Peel Oil, Coriandrum Sativum Fruit Oil, Foeniculum Vulgare Oil, Litsea Cubeba Fruit Oil, Mentha Arvensis Leaf Oil, Rosmarinus Officinalis Leaf Oil
Ingredients Explained
Click on any ingredient to learn more about it
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 →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 →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 →Diphenylsiloxy Phenyl Trimethicone
Antifoaming, Hair Conditioning, Skin Conditioning
Diphenylsiloxy Phenyl Trimethicone is a silicone.
Learn more about Diphenylsiloxy Phenyl Trimethicone →Benzyl Glycol
Solvent
Ethanol, 2-(phenylmethoxy)-
Learn more about Benzyl 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 →Isononyl Isononanoate
Antistatic, Skin Conditioning, Emollient
3,5,5-Trimethylhexyl 3,5,5-trimethylhexanoate
Learn more about Isononyl Isononanoate →
Dupes
- VT Cosmetics Vitamin C+ Astaxanthin Serum71% match
- Goodal Green Tangerine Vita C E TXA Serum69% match
- d'Alba Vita Toning Capsule Serum69% match
- Rojukiss GLUTA NIA-C10 TRIPLE WHITE SERUM68% match
- Arencia Vitamin C Booster Shot68% match
- Torriden CELLMAZING Brightening Ampoule67% match