
Numbuzin
An intensive brightening ampoule formulated with glutathione and tranexamic acid (TXA) to target hyperpigmentation, dark spots, and uneven skin tone. Designed for those seeking a potent solution for skin clarity and radiance.
Humectant and solvent for ingredient delivery
brightening, anti-hyperpigmentation
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in No. 5 Glutathione 100xTXA10 Intensive Toning Pure Ampoule by Numbuzin include Lingonberry Extract (Antioxidant and skin brightening extract), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Tranexamic Acid (brightening, anti-hyperpigmentation), Sorbitol (Humectant that retains moisture in skin), Bifida Ferment Lysate (Probiotic that strengthens skin barrier and soothes). Drawing on K-beauty research and community consensus, key ingredients show 84% effectiveness for irritation in sensitive skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
No. 5 Glutathione 100xTXA10 Intensive Toning Pure Ampoule is a Korean ampoule by Numbuzin. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 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.
For oily skin, the key factors in evaluating No. 5 Glutathione 100xTXA10 Intensive Toning Pure Ampoule are comedogenic ingredient ratings, oil content, and finish type. This ampoule contains 10 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.
No. 5 Glutathione 100xTXA10 Intensive Toning Pure Ampoule by Numbuzin starts from $19.76 USD. Seoul Sister tracks pricing at Olive Young, with price drop alerts for Pro members. Seoul Sister does not sell products — we compare retailer pricing so you can buy from the source.
No. 5 Glutathione 100xTXA10 Intensive Toning Pure Ampoule by Numbuzin is tracked at Olive Young. Prices start from $19.76 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products. We are an advice platform and never sell products ourselves.