Medicube Deep Vita C Capsule Cream
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Formulation Summary
A dual-texture brightening cream with golden vitamin capsules in a transparent gel. The base replaces water with 50% sea buckthorn water, a rich source of natural vitamin C and carotenoids. Five vitamin C derivatives plus niacinamide and alpha-arbutin address dark spots from multiple angles.
Medicube builds on the capsule cream concept, this time targeting brightening. Sea buckthorn water at 50% provides the base with natural vitamin C and omega fatty acids. Sodium Ascorbyl Phosphate offers a stable vitamin C derivative. The formula adds alpha-arbutin and niacinamide for layered melanin control. Ferulic acid and tocopherol boost vitamin C stability and antioxidant potency. The inclusion of B-vitamins (biotin, folic acid, riboflavin) is unusual and supports cellular metabolism.
Quick Facts
Designed For
- •Those seeking a vitamin C cream with interactive capsule texture
- •Users who want multiple brightening actives in one product
- •People looking for sea buckthorn-based hydration
- •Those who enjoy K-beauty innovation in texture
- •Users targeting dark spots and uneven tone
May Not Suit
- •Fragrance-sensitive individuals
- •Those who prefer pure L-ascorbic acid for maximum vitamin C potency
- •People with soybean or sunflower seed oil sensitivities
- •Users who want a simple, minimal ingredient list
Key Ingredients
| Ingredient | Concentration | Function |
|---|---|---|
| Hippophae Rhamnoides Water (Sea Buckthorn) | 50%brand-confirmed | Primary solvent rich in natural vitamin C, carotenoids, and omega fatty acids. Provides antioxidant and hydration benefits from the base. |
| Niacinamide | 5%brand-confirmed | Brightening and barrier support. Inhibits melanin transfer to skin surface. |
| Sodium Ascorbyl Phosphate | — | Stable vitamin C derivative that converts to ascorbic acid in the skin. Less potent but more stable than L-ascorbic acid. |
| Alpha-Arbutin | — | Tyrosinase inhibitor that slows melanin production. Works upstream in the pigmentation process. |
The Formulation Explained
Sea buckthorn water base
Replacing purified water with 50% sea buckthorn water adds inherent vitamin C and carotenoids to the formula base. Sea buckthorn is rich in omega-7 fatty acids, which support skin repair. This approach is similar to EQQUALBERRY's acerola water base but uses a different botanical source.
Multi-vitamin approach
Beyond vitamin C derivatives, the formula includes B-vitamins like biotin, folic acid, thiamine, riboflavin, and pyridoxine. This B-vitamin complex supports cellular metabolism and energy production. While less common in topical skincare, these vitamins contribute to overall skin cell health.
Clinical results cited
Medicube reports skin radiance improvement of 34.8% immediately after application and 32.6% after 24 hours. Reduction in spots and roughness observed after four weeks. Irritation index tested at 0.00%. Full methodology is not publicly available.
Ingredients to Know
Fatty alcohol emulsifier. Generally well tolerated.
Undisclosed fragrance blend. Potential irritant for sensitive skin.
Polyhydroxy acid (PHA). Gentle exfoliant. Less irritating than AHAs.
User Feedback Patterns
Full INCI List
52 ingredients · Click "Show full list" to view
About Medicube
Discloses sea buckthorn water concentration (50%) and niacinamide (5%). Individual vitamin C derivative concentrations not disclosed.
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Sources
- • https://medicube.us/products/deep-vita-c-capsule-cream
- • https://incidecoder.com/products/medicube-vita-c-capsule-cream
- • https://skinsort.com/products/medicube/deep-vita-c-capsule-cream
- • https://www.ulta.com/p/deep-vita-c-capsule-cream-pimprod2053652
- • https://www.yesstyle.com/en/medicube-deep-vita-c-capsule-cream-55g/info.html/pid.1129945243
Last updated: 2026-03
Rating Scales
Comedogenicity (0-5)
Likelihood of clogging pores. 0 = won't clog, 1-2 = low, 3 = moderate, 4-5 = high.
Irritancy (0-5)
Potential for skin irritation. 0 = non-irritating, 1-2 = low, 3 = moderate, 4-5 = high.
Ratings based on published ingredient studies. Individual reactions may vary.