Medicube Deep Vita C Serum 2.0
by medicub
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Medicube Deep Vita C Serum 2.0 delivers 14.5% vitamin C (consistent with L-ascorbic acid given the water-based formula and characteristic yellow tint) alongside alpha-bisabolol—a clinically credible brightening serum with genuine melanin-inhibiting potential. Best for normal to oily skin with hyperpigmentation, post-acne dark spots, or uneven skin tone and established vitamin C users already tolerant of mid-to-high concentration L-ascorbic acid serums.
According to the AIScored 0–100 scoring system, Medicube Deep Vita C Serum 2.0 by medicub scores 65.0/100, ranking #21 out of 34 products in Vitamin C Serums (2026). Strongest category: Effectiveness (70.0/100). Weakest: Skin Compatibility (58.0/100).
Is Medicube Deep Vita C Serum 2.0 worth buying?
“Medicube Deep Vita C Serum 2.0 scores 65/100 with 14.5% vitamin C to tackle hyperpigmentation, and the alpha-bisabolol genuinely reduces the irritation you'd expect at this strength. The single-use tube format keeps the formula stable and effective without the oxidation issues of a larger bottle.”
What Do Reviewers Say About Medicube Deep Vita C Serum 2.0?
Sample excerpts from currently available source material used in this product analysis.
"I didn’t want to make a review just after a few weeks. But it’s now actually well over 4 months of continue use. I use once in the morning and then if I’m going out I use sunscreen. I love active Vit C serum. For years I have use Paula Choi..."
"Das Serum habe ich Serbien von einer Frau im Cafe erfahren, sei war super begeistert und hatte eine Porzelanhaut. Sie schwärmte von diesem Serum, also gleich bestellt und es kam sehr zeitg an. Es sind drei kleine Fläschchen, eine davon mit..."
"Non so quantificare se il prodotto faccia effetto....una cosa è certa ha un odore molto sgradevole,come spalmarsi sul viso una scatoletta di cani e gatti😱 lascio a voi altri commenti x un costo molto elevato mi sa che lo butterò in quanto è..."
"The product is nearly expired…the smell and colour look awful and couldn’t return it."
"I am not sure about the quality. I don’t feel it is the same quality that i bought from Medicube online. Color is darker ."
How does Medicube Deep Vita C Serum 2.0 score?
Detailed score breakdown and key findings from our analysis of 60 reviews across 2 sources.
Pros
- +14.5% vitamin C is a clinically meaningful concentration for inhibiting melanin production and correcting hyperpigmentation
- +Alpha-bisabolol provides genuine anti-inflammatory and skin-calming support, mitigating some of the irritation risk typical of high-dose L-ascorbic acid
- +3-tube single-use format limits cumulative oxidative exposure, extending active stability compared to a single large bottle
- +Confirmed brightening and radiance improvement in long-term users (4–6 weeks), with no significant irritation reported among tolerant skin types
- +Lightweight, water-based texture layers easily under SPF and other actives in an AM routine
Cons
- -L-ascorbic acid at this concentration is inherently unstable; multiple users received visibly oxidized product (deep amber color, offensive odor), indicating shelf-life and supply-chain quality control issues
- -Notable drying effect reported—high-percentage ascorbic acid can disrupt the skin barrier, making a follow-up moisturizer non-optional rather than optional
- -Brightening results are gradual (4+ weeks to onset), which is normal for vitamin C but may frustrate users expecting rapid improvement
- -Third-party seller authenticity risk: at least one user received near-expired stock with no feasible return, and others questioned product color versus Medicube's official channel product
Best For
Watch Out
- !Dry and sensitive skin: 14.5% L-ascorbic acid at low pH can cause stinging, flaking, and barrier disruption—patch test essential
- !Always inspect product color and odor before first use; deep amber hue or unpleasant smell signals oxidation and significantly reduced active efficacy
- !Photosensitivity: vitamin C increases UV sensitivity—daily broad-spectrum SPF 50+ is mandatory, not advisory
- !Purchase only from authorized retailers; third-party sellers have supplied near-expired and potentially counterfeit stock based on user reports
What is Medicube Deep Vita C Serum 2.0?
Medicube Deep Vita C Serum 2.0 is a vitamin c serums product by medicub, scoring 65.0/100 on AIScored.
- • Medicube Deep Vita C Serum is a facial serum that is a water-based serum with 14.5% vitamin C and Alpha-bisabolol to reduce hyperpigmentation, even out skin tone, and enhance skin radiance.
- • In just one week, see a visible difference with 9.1% reduction in freckles and blemishes, 4.8% improvement in skin tone, and 0.6% increase in skin radiance.
- • The serum also increases skin elasticity by 10.3% and provides a significant reduction in bumpy skin and saggy skin.
- • The serum contains 14.5% vitamin C that helps to inhibit melanin production, reduce hyperpigmentation, and even out skin tone.
- • Alpha-bisabolol is known for its enhancing radiance as well as soothing and calming properties, making it a perfect ingredient for sensitive skin types.
- • After cleansing and toning, apply 2-3 drops of the serum to the face and neck, avoiding the eye area.
- • Follow with moisturizer and sunscreen in the morning.
- • Use daily for best results.
- • Everyone has skin concerns.
- • But not everyone finds the right solution.
- • By working with dermatologists, we research the most effective formula and develop using the best ingredients.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does Medicube Deep Vita C Serum 2.0 Compare?
See how this product stacks up against the top-rated vitamin c serums in our database.
| Product | Score | Price |
|---|---|---|
| Medicube Deep Vita C Serum 2.0 (this) | 65.0 | £14.80 |
| COSRX Alpha-Arbutin 2% Discolora... | 80.0 | £21.89 |
Price History (90 days)
Frequently Asked Questions
Is Medicube Deep Vita C Serum 2.0 worth buying in 2026? ▼
What is the best price for Medicube Deep Vita C Serum 2.0 in the UK? ▼
What are the pros and cons of Medicube Deep Vita C Serum 2.0? ▼
How does Medicube Deep Vita C Serum 2.0 compare to COSRX Alpha-Arbutin 2% Discoloration Serum with Tranexamic Acid 3% Anti-pigmentation Serum for Face with Niacinamide, Blemish Control, Dark Spot Corrector for Even Skin Tone Korean Skincare 50ml? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
What Are Other Top Vitamin C Serums?
Other top-rated vitamin c serums you might want to compare.
COSRX Alpha-Arbutin 2% Discoloration Serum with Tranexamic Acid 3% Anti-pigmentation Serum for Face with Niacinamide, Blemish Control, Dark Spot Corrector for Even Skin Tone Korean Skincare 50ml
COSRX
CeraVe Skin Renewing 10% Pure Vitamin C Serum with Ceramides for Brighter and Smoother Skin, 30 ml
CeraVe
Bakuchiol Face Serum 50ml-Natural Retinol Alternative for Sensitive Skin, Vitamin C, Anti-Ageing & Acne, Reducing Fine Lines & Wrinkles-Hydrating & Glowing your Face. SCPN UK Registered
Dr. BIEN-AIME
Beverly Hills Vitamin C Face Serum 25% with Hyaluronic Acid & L-Ascorbic Acid
BEVERLY HILL
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