For skin that’s feeling dull, uneven, or marked with post-acne shadows—Numbuzin serum No.5 brings your glow back. This vitamin-rich formula is designed to fade hyperpigmentation, brighten dark spots, and restore an even, radiant tone without irritation. Formulated with tranexamic acid, a trusted ingredient in modern brightening care, this serum visibly smooths and corrects over time—without the stickiness or stinging you’d expect from traditional actives. Whether you're targeting old acne marks, sun-induced pigmentation, or a lack of overall vibrancy, this is your glow-getter in a bottle.

How It Works

At its core, this Numbuzin serum uses tranexamic acid, Glutathione, and Niacinamide to gently inhibit melanin overproduction, the main cause of dark spots and discoloration. Backed by clinical testing, users experienced more even skin tone and visibly brighter results within weeks of consistent use. With regular application, this serum improves signs of hyperpigmentation while giving skin a noticeably smoother, brighter appearance. It layers beautifully, absorbs fast, and doesn’t interfere with other products—making it the perfect daily serum to support long-term clarity and that elusive natural glow.

Key Ingredients & Texture Benefits

• 4% Tranexamic Acid – A powerful brightener that targets melanin to visibly reduce dark spots, sun damage, and uneven skin tone

• Glutathione + Antioxidant Complex – Fights oxidative stress, supports glow, and reduces signs of dullness

• Niacinamide – Improves tone, hydrates, and calms irritation, leaving the skin plump and even

• Lightweight texture – Non-sticky, fast-absorbing serum that works well in both AM and PM routines

Who It’s For

• Anyone struggling with hyperpigmentation, melasma, or stubborn acne marks

• Ideal for dull, tired skin that needs a targeted yet gentle solution

• Safe for sensitive and acne-prone skin, with hypoallergenic and irritation-tested credentials

• Great for layering with other Numbuzin serum favorites, especially when paired with the No.5+ concentrated pad for faster results

• Perfect for skin that craves an even skin tone and a visible natural glow, without harsh acids or intense exfoliants

Expiry date- 29/09/2028

Additional Information

Country of Origin: Republic Of Korea
Manufacturer: M/s. Cosmax, Inc.
Address: M/s. Cosmax, Inc., 27, Jeyakgongdan 1-gil, 46, Jeyakgongdan 2-gil, Hyangnam-eup, Hwaseong-si, Gyeonggi-do, Republic of Korea
Importer: Beauty Barn
Address:  983/18, Tajen Ao Road, Dimapur – 797112, Nagaland, India
Packer: M/s. Cosmax, Inc., 27, Jeyakgongdan 1-gil, 46, Jeyakgongdan 2-gil, Hyangnam-eup, Hwaseong-si, Gyeonggi-do, Republic of Korea

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After cleansing and toning, apply 2–3 pumps of the Numbuzin No.5 Vitamin Concentrated Serum onto your face and neck.
Gently pat into skin until fully absorbed.
Use morning and night for best results.

Pro Tip: Follow up with moisturizer and SPF (in the daytime). For amplified brightening, pair with the No.5+ Concentrated Pad.

Vaccinium Vitis-Idaea Fruit Extract, Butylene Glycol, Niacinamide, Panthenol, Tranexamic Acid, Water, 1,2-Hexanediol, Neopentyl Glycol Dicaprate, Caprylic/Capric Triglyceride, Sorbitol, Bifida Ferment Lysate, Chondrus Crispus Extract, Butyrospermum Parkii (Shea) Butter, Saccharum Officinarum (Sugarcane) Extract, Alpha-Arbutin, Sodium Hyaluronate, Melia Azadirachta Flower Extract, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Curcuma Longa (TurmericJRoot Extract, Corallina Officinalis Extract, Tremella Fuciformis (Mushroom) Extract, Pentylene Glycol, Glycerin, 3-0-Ethyl Ascorbic Acid, Bisabolol, Tromethamine, Ethylhexylglycerin, Adenosine, Hydrogenated Lecithin, Allantoin, Glutathione, Ceramide NP, Beta-Glucan, Dipotassium Glycyrrhizate, Tocopherol, Ascorbic Acid, Ascorbyl Glucoside, Tocopheryl Acetate, Hydroxypropyl Cyclodextrin, Ubiquinone, Thioctic Acid, Potassium Hydroxide, Behenyl Alcohol, Carbomer, Xanthan Gum, Disodium EDTA

SHIPPING

• We charge a shipping fee of ₹70 for orders below ₹1499 and free shipping for all orders above ₹1499.

DELIVERY PROCESS

• HOW IT WORKS: Once our system processes your order, your products are inspected thoroughly to ensure they are in a perfect condition.

• After they pass through the final round of quality check, they are packed and handed over to our trusted delivery partner.

• Our delivery partners then bring the package to you at the earliest possible. In case, they are unable to reach your provided address or at a suitable time, they will contact you to resolve the issue.

• If your Order is showing as delivered but you have not received it, Please update us within 5-12 hours so that we can look into it, or else after the TAT gets over we can’t look into the order.

SHIPPING DESTINATIONS Beauty barn ships India wide!

TRACKING YOUR ORDER Once your order has been dispatched, you will receive an email/SMS/Instagram with the details of the tracking number and the courier company that is processing your order.

DISPATCHING ORDERS: We ensure your orders are dispatched within a few hours of order (before 10a.m on working days) to upto two working days.

Packaging and Damage Beauty barn maintains a very high level of quality control and till date, we have received minimal complaints about the quality of our packaging. Furthermore, less than 0.02% 0f our products we ship are returned to us as damaged. To ensure your products remain undamaged during the shipping process, each individual product is packaged in bubble wrap while fragile items like bottles are safely secured with additional bubble wrap, which are then packaged in boxes which are wrapped in plastics. We pride ourselves on the quality of our packaging. Till date, we have received minimal complaints about damaged products due to our packaging.