Clearer, Brighter-Looking Skin Starts Here

If dark spots, acne marks, and uneven skin tone are making your complexion look dull, the Numbuzin No.5 Glutathione Vitamin Concentrated Serum is designed to help. This advanced Korean skincare formula combines Glutathione, Vitamin C, Niacinamide, and Tranexamic Acid to visibly improve skin clarity while providing soothing hydration. With regular use, skin appears more radiant, balanced, and healthy-looking without feeling irritated.

Clinically tested and suitable for sensitive skin, this lightweight serum helps reduce the appearance of hyperpigmentation while supporting a smoother and more even complexion.

Clinically Tested Results

Clinically shown to improve skin tone appearance
Helps reduce the visibility of dark spots with consistent use
Hypoallergenic formula
Skin irritation tested
Suitable for sensitive skin

Ideal For These Skin Concerns

Hyperpigmentation
Dark spots
Acne scars and acne marks
Uneven skin tone
Dull complexion
Post-inflammatory pigmentation

Suitable Skin Types

Oily Skin
Dry Skin
Combination Skin
Sensitive Skin
Acne-Prone Skin

Key Benefits

Helps visibly reduce dark spots and hyperpigmentation
Supports a brighter and more even skin tone
Helps fade acne marks and post-breakout discoloration
Provides antioxidant protection against environmental stressors
Hydrates and soothes skin with Panthenol and Ceramides
Lightweight, fast-absorbing formula
Suitable for daily use
Safe for sensitive and acne-prone skin

Apply after cleansing and toning.
Dispense a few drops onto the face.
Gently pat until fully absorbed.
Follow with moisturizer.
Use sunscreen during the daytime for best results.

Key Ingredients

Glutathione: A powerful antioxidant that helps reduce excess melanin production, improving the appearance of dark spots and uneven skin tone.
Vitamin C: Supports brighter-looking skin while helping protect against environmental damage.
Niacinamide: Helps improve skin clarity, refine overall tone, and strengthen the skin barrier.
Tranexamic Acid: Targets stubborn discoloration and helps promote a more balanced complexion.
Panthenol & Ceramides: Provide soothing hydration and help maintain a healthy skin barrier.

Full List of Ingredients

Water, 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

Numbuzin is a Korean skincare brand known for creating targeted solutions for specific skin concerns. Its products focus on effective ingredient combinations and practical formulations designed to help users achieve healthier-looking skin through personalized skincare routines.