No.5 Vitamin Niacinamide Concentrated Serum
넘버즈인 5번 비타민 나이아신아마이드 컨센트레이트 세럼
Numbuzin
A concentrated brightening serum combining niacinamide (10%), 3 forms of vitamin C derivatives, and 9 vitamin complexes. Targets hyperpigmentation, uneven skin tone, and dullness. More potent than No.3 -- designed for those who want maximum brightening power without pure ascorbic acid irritation.
Key Ingredients
Ingredient Effectiveness Data
Based on aggregated user reports across Seoul Sister's community
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Frequently Asked Questions
What are the key ingredients in No.5 Vitamin Niacinamide Concentrated Serum?
The key active ingredients in No.5 Vitamin Niacinamide Concentrated Serum by Numbuzin include Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Vitamin C (brightening, antioxidant, collagen-synthesis), Tranexamic Acid (brightening, anti-hyperpigmentation). Based on Seoul Sister's analysis of 56+ user reports, key ingredients show 100% effectiveness for sensitivity in dry skin types. Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.
Is No.5 Vitamin Niacinamide Concentrated Serum good for sensitive skin?
No.5 Vitamin Niacinamide Concentrated Serum is a Korean serum by Numbuzin. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 3 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
Is No.5 Vitamin Niacinamide Concentrated Serum good for oily skin?
For oily skin, the key factors in evaluating No.5 Vitamin Niacinamide Concentrated Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 3 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
How much does No.5 Vitamin Niacinamide Concentrated Serum cost?
No.5 Vitamin Niacinamide Concentrated Serum by Numbuzin starts from $34.00 USD for 30ml. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
Where to buy No.5 Vitamin Niacinamide Concentrated Serum?
No.5 Vitamin Niacinamide Concentrated Serum by Numbuzin is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $34.00 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.