Medicube
MEDICUBE Deep Vita C Ampoule
MEDICUBE Deep Vita C Ampoule
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MEDICUBE Deep Vita C Ampoule
Brighten and refresh dull-looking skin with Medicube Deep Vita C Ampoule, a concentrated vitamin C serum designed to help improve the appearance of hyperpigmentation, brown spots, uneven skin tone, and loss of radiance. This water-based ampoule helps support a clearer, smoother, and more luminous-looking complexion while feeling lightweight and comfortable on the skin.
Size: 3 bottles × 10 g (30 g total)
Formulated with 14.5% vitamin C, panthenol, and bisabolol, this brightening ampoule helps target visible discoloration while supporting hydration and skin comfort. Vitamin C helps improve the look of dark spots and uneven tone for a more radiant complexion, while panthenol helps maintain moisture and bisabolol helps keep skin feeling soothed and balanced. This combination makes it a great choice for anyone looking for a K-beauty vitamin C serum, ampoule for dark spots, or a daily brightening serum.
Designed for all skin types, this ampoule is especially helpful for skin that looks dull, tired, or uneven. With continued use, skin can look brighter, smoother, and more refreshed while also appearing firmer and healthier-looking.
Overview
Medicube Deep Vita C Ampoule is a brightening treatment created to help reduce the look of blemishes, freckles, and dark spots while supporting more even-looking skin tone and visible radiance. Packaged in protective bottles designed to help preserve vitamin C stability, this ampoule is made for daily use and comes as 3 bottles per product for a total of 30 g.
Study Results
According to the brand's reported clinical results over 1 to 4 weeks, this ampoule showed:
- 9.1% reduction in freckles and blemishes
- 2.6% reduction in whiteheads and comedones
- 1.5% reduction in melanin
- 0.6% increase in skin brightness
- 4.8% improvement in skin tone, including blotchiness and yellowing
- 31% reduction in old skin buildup
- 4.8% increase in external skin moisture
- 4% increase in internal skin moisture
- 10.3% increase in skin elasticity
The brand also reported survey results showing 100% product satisfaction, 100% recommendation intent, 100% felt their skin condition improved, and 100% felt their blemishes and dark spots were reduced. Individual results may vary.
Key Benefits
- Helps improve the appearance of dark spots, blemishes, and freckles
- Supports a brighter, more even-looking complexion
- Helps smooth the look of rough, bumpy skin
- Supports hydration and skin comfort
- Formulated with 14.5% vitamin C, panthenol, and bisabolol
- Helps promote firmer-looking, more radiant skin
How to Use
After cleansing and toning, apply an appropriate amount to the face and gently pat until absorbed. Follow with moisturizer. Use sunscreen during the day when using vitamin C products.
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14.5% Vitamin C in a Protective Single-Use Format
Most vitamin C serums start to oxidize the moment you open the bottle. The MEDICUBE Deep Vita C Ampoule ($37.10) solves that by packaging 14.5% vitamin C across three individual sealed bottles, each opened fresh when you're ready to use it. It's a smart format for keeping an active ingredient stable, and it's one of the most concentrated vitamin C picks on this Korean skincare website.
Why 14.5% Vitamin C?
Vitamin C serums typically range from about 5% to 20%. The MEDICUBE Deep Vita C Ampoule sits at 14.5%, making it a strong dose suitable for skin that's used to actives and wants a noticeable brightening effect, without going so high that it's likely to cause irritation in most users. Combined with calming bisabolol and moisture-supporting panthenol, it's designed for a balance of potency and comfort.
What's Inside the Bottles
- 14.5% Ascorbic Acid: Pure vitamin C for brightening and dark spot care.
- Bisabolol: A plant-derived calming ingredient to keep skin comfortable.
- Panthenol: Vitamin B5 for hydration and a soothed feel.
- Adenosine: Supports a firmer-looking skin appearance.
- Niacinamide: A K-beauty staple for even-looking tone.
How to Work It Into Your Routine
After cleansing, press your toner or essence into skin, then apply the ampoule and pat it in gently. Vitamin C is best used in the morning when paired with sunscreen, since SPF helps lock in your brightening progress. Follow with a light Korean moisturizer to seal in hydration.
Pair it well: the MEDICUBE TXA Niacinamide Capsule Cream ($26) adds a niacinamide layer for even more brightening support, and the MEDICUBE Glow Collagen Sunscreen SPF 50 ($21) is one of the best Korean sunscreen picks for finishing a brightening morning routine.
Compare the Deep Vita C Line
- MEDICUBE Deep Vita C Ampoule ($37.10): The most concentrated step — use it first, right after toning.
- MEDICUBE Deep Vita C Capsule Cream ($26): Combines vitamin C with moisture for a brightening Korean moisturizer step.
- MEDICUBE Deep Vita C Pads ($28): A pre-soaked pad option for a quick brightening toner step.
Use all three together as a complete brightening routine, or add just one step where your current routine needs it most.
Who Will Love This Ampoule
- Anyone focused on reducing the look of dark spots, blemishes, and uneven tone
- Skin that looks dull, tired, or has lost its glow
- People who want a high-concentration vitamin C in a stable format
- K beauty skincare fans building a brightening MEDICUBE Deep Vita C routine
- Anyone stepping up from a lower-strength vitamin C serum
Vitamin C Ampoule Questions, Answered
Why does it come in three separate bottles?
Vitamin C oxidizes when exposed to air and light. The individual sealed bottles help preserve the potency of each dose until you're ready to use it.
Do I need sunscreen when using this?
Yes. Vitamin C makes skin more sensitive to UV exposure, so daily SPF is essential to protect your results.
Can I use it morning and evening?
Vitamin C is especially effective in the morning, paired with sunscreen. You can use it at night too, but keep in mind each bottle is a single use.
Is it safe for sensitive skin?
The formula includes bisabolol and panthenol to help skin feel comfortable. If your skin is sensitive to vitamin C, patch test first.
How big is each bottle?
The set includes 3 bottles totaling 30 g (about 10 g each).
Is this authentic MEDICUBE?
Yes! SayHelloToGlow.com is a Korean skincare website offering authentic Korean skincare brands and Korean beauty products, including MEDICUBE.

Collapsible content
How To Use:
1. Turn the cap to open and press the tip of the spoid gently to draw out appropriate amount of ampoule.
2. Apply appropriate amount on face after using the toner.
Tips!
1. Record the opening date of each bottle at the back of the packaging box to ensure product freshness.
2. Please do not use our Deep Vita C Ampoule simultaneously with the Zero Pore Pad in the same routine. We recommend that you alternate these products as follows - the Zero Pore Pads in AM and the Deep Vita C Ampoule in PM.
Ingredients:
Water(Aqua), Ascorbic Acid (145,000ppm), Dicaprylyl Carbonate, Propanediol, Dipropylene Glycol, Butylene Glycol, Phenyl Trimethicone, Diisostearyl Malate, Hydrogenated Poly(C6-14 Olefin), 1,2-Hexanediol, Polyglyceryl-6 Stearate, Polyglyceryl-3 Distearate, Ethylhexyl Methoxycinnamate, C12-14 Alketh-12, Sodium Hydroxide, Glyceryl Stearate, Dimethicone, Bisabolol, Sodium Stearoyl Glutamate, Polyacrylate Crosspolymer-6, Pullulan, Allantoin, Tocopherol, Ethylhexylglycerin, Xanthan Gum, Sodium Hyaluronate, Panthenol, Glyceryl Stearate Citrate, Glutathione, Polyglyceryl-6 Behenate, Citrus Nobilis (Mandarin Orange) Peel Extract, Lycopodium Clavatum Extract, Equisetum Arvense Extract, Beta-Glucan, Cupressus Sempervirens Leaf/Stem Extract, Adenosine, Hedera Helix (Ivy) Leaf/Stem Extract, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Ribes Nigrum (Black Currant) Leaf Extract, Litsea Cubeba Fruit Oil, Disodium EDTA, Glycerin, t-Butyl Alcohol, Sorbitol, Caprylic/Capric Triglyceride, Hippophae Rhamnoides Water, Helianthus Annuus (Sunflower) Seed Oil, Sucrose Stearate, Beta-Carotene, Hydroxyethylcellulose, Arginine, Microcrystalline Cellulose, Ubiquinone, Cellulose Gum, Terminalia Ferdinandiana Fruit Extract, Myrciaria Dubia Fruit Extract, Saccharide Hydrolysate, Hesperidin, Fructooligosaccharides, Ergothioneine