MEDICUBE Deep Vita C Capsule Cream

MEDICUBE Deep Vita C Capsule Cream

Brighten and refresh dull-looking skin with the MEDICUBE Deep Vita C Capsule Cream, a dual-texture brightening moisturizer that solves Vitamin C skincare's most persistent problem: oxidation. The cream's vitamin-enriched capsules use stabilized liposome technology to protect their actives from air and light until they burst on contact with the skin — delivering 50% Sea Buckthorn Extract (Hippophae Rhamnoides Water), 5% Niacinamide, and six forms of Vitamin C at maximum freshness and potency with every use. Its companion transparent gel delivers Ferulic Acid, Alpha-Arbutin, Ubiquinone (CoQ10), Adenosine, multiple B vitamins (B1, B2, B6, B7/Biotin, B9/Folic Acid, B12), Beta-Carotene, Rutin, Sodium Hyaluronate, Ascorbyl Propyl Hyaluronate, and Panthenol. Mix the capsule and gel in any ratio — more gel for lighter daily hydration, more capsule for intensive brightening and nourishment.

The six Vitamin C forms — Ascorbic Acid, Sodium Ascorbyl Phosphate, Ascorbyl Glucoside, 3-O-Ethyl Ascorbic Acid, Ascorbyl Palmitate, and Ascorbyl Propyl Hyaluronate — cover every stability profile and skin-penetration depth, providing brightening, antioxidant, and collagen-stimulating activity at the surface and within the deeper skin layers. Ferulic Acid stabilizes the Vitamin C and E complex while amplifying their combined antioxidant potency. Alpha-Arbutin adds a direct melanin-inhibition pathway. 5% Niacinamide inhibits melanosome transfer. 50% Sea Buckthorn Extract (Vitamin Tree Water) provides the natural Vitamin C and carotenoid base. The South Korea Ministry of Food and Drug Safety has certified this cream for both fine line improvement and brightening.

The MEDICUBE Deep Vita C Capsule Cream is a great choice for anyone looking for a K-beauty Vitamin C cream, brightening capsule moisturizer, or daily cream for uneven skin tone and dullness. Dermatologist-tested, low-irritation formula — suitable for all skin types including sensitive skin.

Size: 55g / 1.94 oz

Overview

The MEDICUBE Deep Vita C Capsule Cream is a brightening and hydrating dual-texture moisturizer from MEDICUBE that addresses uneven skin tone, dark spots, dullness, and dryness through the most comprehensive Vitamin C complex in any MEDICUBE moisturizer. Its liposome capsule technology protects Vitamin C actives from oxidation until application — delivering six Vitamin C forms, 50% Sea Buckthorn Extract, and 5% Niacinamide via the capsules, and a complete antioxidant vitamin and brightening complex via the transparent gel — with the customizable ratio making it adaptable for every skin type.

Study results

According to brand-reported results, the MEDICUBE Deep Vita C Capsule Cream showed visible improvement in uneven skin tone, spot visibility, under-eye darkness, skin moisturization, skin barrier, skin roughness, melanin visibility, and radiance — with both immediate and 24-hour improvements in skin radiance. Certified by the South Korea Ministry of Food and Drug Safety for dual functionality in fine line improvement and brightening (pH 5.8–7.8). Individual results may vary.

Key benefits

• Helps improve the look of uneven skin tone and dark spots — six Vitamin C forms + Alpha-Arbutin + Niacinamide + Ferulic Acid
• Supports a brighter, more radiant-looking complexion — immediate and 24-hour radiance improvement
• Helps boost hydration — Sodium Hyaluronate, Ascorbyl Propyl Hyaluronate, Panthenol, and Glycerin
• Certified by the South Korea Ministry of Food and Drug Safety for fine lines and brightening
• Liposome capsule technology — stabilizes Vitamin C against oxidation until burst on contact
• Customizable gel-to-capsule ratio — lightweight or rich finish for every skin type

How to use

Use the included spatula to scoop the desired amount. In your palm, mix the Vitamin capsule cream and transparent gel in a ratio that suits your skin type and hydration needs — more gel for a lighter, sheerer feel; more capsule cream for extra brightening, nourishment, and moisture. Apply morning and evening to the face and neck after serum, gently massaging until fully absorbed. Always apply broad-spectrum SPF in the morning when using Vitamin C products.

Why we love it

The central challenge of Vitamin C skincare is not efficacy — it is stability. Vitamin C (Ascorbic Acid) is among the most potent brightening and collagen-stimulating actives available, but it oxidizes rapidly on exposure to air and light, degrading into a form that can actually deepen skin discoloration rather than correcting it. Most Vitamin C products either use a stable derivative at reduced potency or include Ascorbic Acid and accept rapid degradation over the product's shelf life. The MEDICUBE Deep Vita C Capsule Cream takes a different approach entirely: stabilized liposome capsules that physically protect each dose of Vitamin C from air and light until the moment of application, when the capsules burst and release their payload at full freshness. This is why the formula includes six Vitamin C forms rather than one — each offers a different stability profile and skin-penetration depth, and by layering them in a protected capsule, the entire multi-form complex stays active until use. 50% Sea Buckthorn Extract (Hippophae Rhamnoides Water, also known as Vitamin Tree Water) is not simply a trending ingredient — it provides a naturally concentrated source of carotenoids, tocopherols, flavonoids, and plant-derived Vitamin C that forms the base of the capsule's brightening payload. The transparent gel then delivers Ferulic Acid — the compound that doubles the antioxidant efficacy of Vitamin C and E together when combined — alongside Alpha-Arbutin (direct melanin inhibition), CoQ10/Ubiquinone (cellular energy for skin regeneration), the full B vitamin complex, and Adenosine (fine-line smoothing). At BestSkincareUSA.com, it's our top Vitamin C moisturizer from MEDICUBE for anyone whose Korean skincare routine targets brightening, dark spots, and antioxidant protection.

Key ingredients deeper dive

• Stabilized liposome capsule technology and 50% Sea Buckthorn Extract (Hippophae Rhamnoides Water) — protecting the Vitamin C complex from oxidation until use — Sea Buckthorn (Hippophae Rhamnoides), also called Vitamin Tree, is one of the richest plant sources of Vitamin C, carotenoids, tocopherols, and flavonoids known. At 50% concentration as the first ingredient — replacing water as the formula base — it provides the natural antioxidant backbone on which the six Vitamin C forms are built. The stabilized liposome capsule technology encases this entire payload in phospholipid spheres that prevent air and light from reaching the actives until the capsules physically burst on skin contact. Without this protection, standard Vitamin C formulas begin degrading from the moment they are opened; the liposome format ensures every dose of the MEDICUBE Deep Vita C Capsule Cream releases at full potency across all Korean skincare brands.
• Six forms of Vitamin C — comprehensive coverage at every stability profile and skin depth — Ascorbic Acid (maximum potency, fast-acting, surface-level), Sodium Ascorbyl Phosphate (stable phosphate ester, controlled release), Ascorbyl Glucoside (glucose-conjugated, enzyme-activated penetration), 3-O-Ethyl Ascorbic Acid (highly stable ether derivative, deep skin penetration), Ascorbyl Palmitate (lipid-soluble, integrates into the lipid membrane), and Ascorbyl Propyl Hyaluronate (a unique ester linking Vitamin C directly to Hyaluronic Acid for simultaneous brightening and moisture delivery) — together these six forms provide brightening activity at every skin layer, for immediate and sustained duration, in both water-phase and oil-phase environments. The result in the MEDICUBE Deep Vita C Capsule Cream is a Vitamin C cream that does not fade in efficacy the way a single-form formula does.
• 5% Niacinamide and Alpha-Arbutin — brightening at the melanosome and melanin-synthesis levels — 5% Niacinamide inhibits melanosome transfer — the delivery mechanism that moves formed melanin to keratinocytes — adding a cellular-transport-blocking mechanism that Vitamin C's synthesis-inhibiting action doesn't cover. Alpha-Arbutin provides a direct, additional inhibition of tyrosinase activity — the same enzymatic step that Kojic Acid addresses in the MEDICUBE Kojic Acid Turmeric Capsule Serum — providing compounded multi-pathway brightening alongside the six Vitamin C forms and Niacinamide in the MEDICUBE Deep Vita C Capsule Cream.
• Ferulic Acid and Tocopherol (Vitamin E) — the Vitamin C amplifier and antioxidant synergy system — Ferulic Acid is uniquely valuable in a Vitamin C formula: it stabilizes Ascorbic Acid against pH-dependent degradation and, when combined with Vitamins C and E, doubles the combined antioxidant efficacy of all three compared to any two alone. Tocopherol (Vitamin E) itself is a fat-soluble antioxidant that works in the lipid membrane while Vitamin C works in the aqueous environment — the two together provide antioxidant coverage in all skin phases. Ferulic Acid also has independent antioxidant and photoprotective properties. The C + E + Ferulic triad in the transparent gel of the MEDICUBE Deep Vita C Capsule Cream is one of the most clinically validated antioxidant combinations in dermatological skincare.
• Ubiquinone (CoQ10), B vitamin complex (B1, B2, B6, B7/Biotin, B9/Folic Acid, B12), Beta-Carotene, and Rutin — cellular energy and full-spectrum antioxidant support — Ubiquinone (Coenzyme Q10) supports cellular energy production and mitochondrial function in skin cells — contributing to the skin's own regenerative and collagen-synthesis capacity. The six B vitamins provide a comprehensive complex: Pyridoxine (B6) for skin metabolism, Biotin (B7) for barrier support, Folic Acid (B9) for cell renewal, Cyanocobalamin (B12) for cellular health, Thiamine (B1) and Riboflavin (B2) for energy metabolism. Beta-Carotene (precursor to Vitamin A) and Rutin (a flavonoid antioxidant) add carotenoid photoprotection and capillary-strengthening antioxidant support to the MEDICUBE Deep Vita C Capsule Cream's vitamin-dense transparent gel.
• Adenosine, Sodium Hyaluronate, Panthenol, and Bisabolol — anti-aging, moisture, and soothing for daily cream comfort — Adenosine — certified by the South Korea Ministry of Food and Drug Safety for fine-line improvement alongside the brightening certification — provides collagen and elastin production support and smooths the appearance of fine lines. Sodium Hyaluronate delivers deep sustained hydration. Ascorbyl Propyl Hyaluronate uniquely combines a Vitamin C form with Hyaluronic Acid in a single molecule for simultaneous brightening and moisture. Panthenol (Provitamin B5) keeps the skin barrier soft and well-hydrated. Bisabolol (from chamomile) soothes any potential irritation from the Vitamin C complex, making the MEDICUBE Deep Vita C Capsule Cream suitable for daily use including on sensitive skin.

Who it's for

The MEDICUBE Deep Vita C Capsule Cream is designed for all skin types — particularly dry, normal, combination, and oily skin dealing with dark spots, uneven tone, dullness, and the desire for a comprehensive brightening moisturizer that can replace or supplement a separate Vitamin C serum step. The customizable ratio makes it adaptable: lean toward the gel for oilier days or warmer weather; lean toward the capsule for intensive brightening sessions or dry skin days. The six Vitamin C forms and stabilized liposome format make it valuable for those frustrated by conventional Vitamin C products that oxidize and lose efficacy. Always use SPF in the morning.

Pro tips and pairings

Let the capsules from the MEDICUBE Deep Vita C Capsule Cream burst completely on your palm before mixing — the burst-then-mix approach ensures the Vitamin C payload releases fully rather than staying encapsulated during application. For a sheer daytime look, use a 1:3 capsule-to-gel ratio; for an intensive evening treatment, use a 2:1 ratio. Always use broad-spectrum SPF in the morning — the six Vitamin C forms, Ferulic Acid, and Alpha-Arbutin all increase photosensitivity and UV exposure counteracts the brightening work. For the most comprehensive brightening system from MEDICUBE, layer the MEDICUBE Kojic Acid Turmeric Capsule Serum before this cream — the serum provides Kojic Acid, Glycolic Acid, and Squalane capsule delivery; this cream seals in six Vitamin C forms, Ferulic Acid, and Alpha-Arbutin for a complete morning brightening routine. On nights when intensive overnight brightening is the goal, follow with the MEDICUBE Kojic Acid Turmeric Overnight Wrapping Mask as the final step. Explore more from MEDICUBE: Shop MEDICUBE