Numbuzin No.5 Vitamin Concentrated Serum 30ml
Experience the effects of Glutathione ampoule that help with anti-aging and brightening! Glutathione and various synergy vitamins work together to build an antioxidant network that delivers glutathione more efficiently by undergoing oxidation-reduction and antioxidant interactions.
This is the first joint development product by numbuzin. Developed under a 10-month collaboration period with YouTuber Arang, research on anti-aging/whitening ingredients, sample product reviews and head office meetings, and a thorough testing process by pre-experience group members.
Glutathione shows a melanin improvement rate of 23.72%, a skin texture improvement rate of 18.90%, and a satisfaction rate of 95.24% for improving skin pigmentation.
The interaction between the strong brightening ingredient Glutathione and the antioxidant network ingredient is designed to be even more effective in caring for the remaining stimulation.
This product has a satisfaction rate of 100% for skin tone evenness and a satisfaction rate of 95% for improving skin pigmentation and blemishes as well as overall skin improvement.
Completed the low skin irritation test, so it is safe for use.
Shipping policy
🕓 DELIVERY TIME, TERMS & FEES
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Delivery fees are calculated at checkout.
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Orders placed before 3:00 PM → delivered same day.
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Orders placed after that → processed next business day.
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Delivery window: 4:30 PM – 9:30 PM.
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No delivery on Fridays and public holidays.
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In case of delays (bad weather, high order volume, etc.), customers will be notified.
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The delivery team will contact the customer before arriving.
✈️ SHIPPING
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Ships across GCC countries.
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Korean Beauty is not responsible for customs charges or import restrictions.
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The buyer assumes all duties and import costs.
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Risk of product transfer passes to customer after delivery.
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No liability for undelivered parcels caused by incorrect or invalid address or uncollected items.
Korean Beauty – Refund & Return Policy
At Korean Beauty, we always aim to provide high-quality products and excellent service.
Please review our refund, exchange, and cancellation policy below 👇
🔄 Refunds & Exchanges
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Refunds are allowed within 24 hours of purchase, and only for full-price items.
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Exchanges are accepted within 3 days of purchase, also for full-price items.
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To qualify for a refund or exchange:
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You must provide the original invoice/receipt
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The products must be unused, unopened, and in their original packaging
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Discounted or sale items are not eligible for refunds or exchanges.
❌ Opened Items
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Once a product is opened or used, it cannot be returned or exchanged.
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Returns due to “change of mind” after opening are not accepted.
📞 Order Cancellation
If you wish to cancel an order:
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Call us directly to start the cancellation process.
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Explain the reason for cancellation.
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Request a refund if applicable.
If the order is cancelled by Korean Beauty due to item unavailability, a full refund will be issued.
📦 Damaged or Incorrect Items
If an item is damaged or incorrect (our fault):
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We will exchange it for the same or similar product.
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Replacement delivery will be free of charge.
