• Helps calm sensitive skin affected by external stressors and supports overall skin balance.
• Delivers moisture to the skin to maintain hydration and promote a smooth, refined skin texture.
• Formulated to be gentle on the skin, making it suitable for everyday skincare routines.
✨ (Numbuzin) No.5+ Glutathione Vitamin Concentrated Serum
A high-performance brightening serum formulated to target dullness, uneven tone, and visible discoloration. Powered by glutathione, tranexamic acid, and a multi-vitamin complex, this concentrated formula helps promote a clearer, more radiant complexion while maintaining skin comfort. Suitable for daily use and designed for skin in need of tone correction and luminosity.
Why it worksGlutathione A powerful antioxidant that helps improve skin clarity and reduce the appearance of dullness and discoloration.
Tranexamic Acid + Alpha-Arbutin Work synergistically to visibly reduce dark spots, uneven tone, and post-acne marks.
Multi-Vitamin C Complex (Ascorbic Acid, 3-O-Ethyl Ascorbic Acid, Ascorbyl Glucoside) Helps enhance radiance, improve skin tone, and support antioxidant protection.
Niacinamide (Vitamin B3) Helps even skin tone, refine skin texture, and improve overall skin balance.
Barrier & Soothing Complex Ceramide NP, Panthenol, Beta-Glucan, and Allantoin help maintain moisture and support the skin barrier for comfortable daily use.
✨ Product Information
Product Name Numbuzin No.5+ Glutathione Vitamin Concentrated Serum
Capacity 30 ml
How to use After cleansing and toning, apply an appropriate amount evenly to the face or to areas of concern. Gently pat until fully absorbed. Can be used morning and night. If used during the day, follow with sunscreen.
Country of Manufacture Republic of Korea
All IngredientsWater, Butylene Glycol, Niacinamide, Panthenol, Tranexamic Acid, 1,2-Hexanediol, Neopentyl Glycol Dicaprate, Caprylic/Capric Triglyceride, Sorbitol, Vaccinium Vitis-Idaea Fruit Extract, Behenyl Alcohol, Pentylene Glycol, Glycerin, Chondrus Crispus Extract, Butyrospermum Parkii (Shea) Butter, 3-O-Ethyl Ascorbic Acid, Saccharum Officinarum (Sugarcane) Extract, Carbomer, Alpha-Arbutin, Bisabolol, Tromethamine, Ethylhexylglycerin, Bifida Ferment Lysate, Adenosine, Hydrogenated Lecithin, Allantoin, Sodium Hyaluronate, Xanthan Gum, Glutathione, Disodium EDTA, Melia Azadirachta Flower Extract, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Ceramide NP, Curcuma Longa (Turmeric) Root Extract, Corallina Officinalis Extract, Beta-Glucan, Dipotassium Glycyrrhizate, Tocopherol, Ascorbic Acid, Ascorbyl Glucoside, Tocopheryl Acetate, Hydroxypropyl Cyclodextrin, Ubiquinone, Thioctic Acid, Tremella Fuciformis (Mushroom) Extract, Potassium Hydroxide
Precautions for UseDiscontinue use and consult a specialist if redness, swelling, itching, or irritation occurs during or after use.
Do not apply to wounded or irritated skin.
Storage and handling a) Keep out of reach of children. b) Store away from direct sunlight.
Functional Cosmetic Status Brightening cosmetic (functional cosmetic under MFDS guidelines)

Numbuzin
Skin Solutions, Simply Numbered - The Answer to Your Skin Concerns
🔢 Whats Your Number?
What are your skin concerns? Numbuzin focuses on your skin worries.Weve put various concerns into numbers.In complex concerns, we make choosing simple —use numbered cosmetics containing various solutions according to your skin concerns.
💧 NO.1 Moisture & Soothing Line
First moisture line focusing on skin fundamentals, Solution No.1Deep, fast soothing care with moisture filling from withinKey soothing ingredient pantothenic acid quickly stabilizes irritated skin,while hyaluronic acid and cica restore collapsed skin condition.
🌟 NO.3 Pore & Texture Care Line
Fermentation synergy restoring skins natural smoothness, Solution No.3Texture care reborn into smooth baby skin by filling bumpy pores/unevennessBifida & galactomyces organize pores and gently care for texture.
✨ NO.5 Spot & Whitening Line
Bright confidence creating visible changes, Solution No.5Brightening care erasing spots/marks and brightening skinGentle yet powerful whitening ingredient combination of glutathione and vitamin derivativesrelieves skin marks and presents clear, bright tone.
💪 NO.9 Elasticity & Lifting Line
Anti-aging refilling collapsed elasticity structure, Solution No.9Next-level anti-aging care filling elasticity in sunken skin ingredient penetrates deeply to fill elasticity and revive volume —experience skin transformation that gets younger.
🏆 Bestseller Lineup
• NO.1 Pantothenic B5 Active Soothing Ampoule - 100,000 ppm pantothenic acid- NO.3 Bifida Ferment Complex Ampoule - 95% bifida, galactomyces- NO.5 Vitamin Concentrated Serum - Glutathione + Vitamin C derivative- NO.9 Secret Firming Serum - 10,000 ppm
💚 Youre Our Philosophy
Numbuzin records different skin concerns daily as numbersand researches various solutions for those concerns.The moment you choose the number your skin needs,the first step to resolution begins.
🎯 Simple Choice, Clear Solution
No complex skincare! Intuitive system where you only need to remember numbers,making it easy for anyone to choose products matching their skin concerns.
Find Your Number, Numbuzin - What number do you need today?