JUMISO Niacinamide 20 Serum 40ml
JUMISO Niacinamide 20 Serum 40ml
A high-potency brightening serum formulated to target visible hyperpigmentation, excess sebum, and uneven skin tone without compromising skin comfort.
Powered by 20% Niacinamide and Tranexamic Acid (TXA), this treatment helps refine pores, reduce dark spots, and improve overall clarity. The formula is balanced with Glutathione, Triple Centella Complex, and multiple forms of Hyaluronic Acid to support hydration and barrier calm—making it suitable even for sensitive or acne-prone skin types.
Fragrance-free and non-sticky, it layers easily within both beginner and advanced routines focused on tone correction and skin balance.
Key Benefits
- Helps brighten dull, uneven skin tone
- Targets hyperpigmentation and post-acne marks
- Refines the look of pores
- Controls excess sebum without over-drying
- Soothes irritation with Centella derivatives
- Hydrates with multi-weight Hyaluronic Acid
- Lightweight, non-sticky finish
- Fragrance-free & free of artificial coloring
What Makes It Effective
20% Niacinamide
A high-strength concentration known to improve tone clarity, regulate oil production, and support barrier function.
Tranexamic Acid (TXA)
Helps reduce the appearance of dark spots and discoloration linked to acne and sun exposure.
Glutathione
An antioxidant that supports brighter, more radiant-looking skin.
Triple Centella Complex
(Asiaticoside, Madecassic Acid, Asiatic Acid)
Works to calm visible redness and reinforce skin resilience.
Multi-Layer Hyaluronic Acid System
Delivers surface hydration while supporting deeper moisture retention.
Skin Types
Suitable for:
- Hyperpigmentation-prone skin
- Acne-prone / post-blemish marks
- Oily & combination skin
- Sensitive skin (fragrance-free formula)
- Dull or uneven skin tone
Texture & Finish
Lightweight serum texture that absorbs quickly with a smooth, non-tacky finish—ideal for layering with actives or moisturizers.
How to Use
- After toner, apply a moderate amount evenly across the face.
- Gently pat to aid absorption.
- Follow with moisturizer.
Daytime use should be paired with sunscreen.
Ingredients
Water, Niacinamide, Propanediol, Butylene Glycol, Tranexamic Acid, 1,2-Hexanediol, Hydroxyacetophenone, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Glycereth-25 PCA Isostearate, Arginine, Ethylhexylglycerin, Gardenia Florida Fruit Extract, Dextrin, Trisodium Ethylenediamine Disuccinate, Glycerin, Zea Mays (Corn) Kernel Extract, Dipropylene Glycol, Glutathione, Hyaluronic Acid, Hydrogenated Lecithin, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Polyglyceryl-10 Oleate, Asiaticoside, Hedera Helix (Ivy) Extract, Madecassic Acid, Asiatic Acid, Fructan, Glucose, Paeonia Suffruticosa Root Extract, Portulaca Oleracea Extract, Allantoin, Hexylresorcinol, Artemisia Princeps Leaf Extract, Rhodiola Rosea Root Extract
Ingredients subject to change at manufacturer’s discretion. For the most complete and up-to-date list, please refer to product packaging.
Patch Test Recommended
Due to the high concentration of Niacinamide (20%), perform a patch test prior to full application—especially for sensitive or first-time users of high-strength actives.
Product images are used for illustrative and informational purposes only. Some visuals may contain translated text, resized layouts, or design overlays to improve customer understanding. All trademarks, logos, and original brand imagery remain the intellectual property of their respective owners. Glowbox does not claim ownership of these assets.
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Frequently Asked Questions (FAQ)
Are your products authentic?
Are your products authentic?
Absolutely.
🛡️ 100% Authenticity is guaranteed — or get your money back.
We stand behind the authenticity of every item we offer — 100% money-back guaranteed. GLOWBOX is a Korea-registered business and every product we offer is authentic, sourced directly from brands, official distributors, and verified retailers in Korea. We never carry fake or expired products.
In the highly unlikely event that you believe you’ve received an inauthentic product, please reach out to us immediately (within 7 days of delivery) at support@glowboxkorea.com.
To help us investigate, please include the following:
Your order number
Photos of the product, original packaging, and invoice
We take these matters seriously and will resolve the issue promptly — including a full refund if the product is found to be inauthentic.
WHAT PAYMENT METHODS CAN I USE?
WHAT PAYMENT METHODS CAN I USE?
Q: What payment methods can I use?
A: At GLOWBOX, your security is our top priority. We provide a wide range of trusted, secure payment options so you can shop with ease and confidence from anywhere in the world. All transactions are processed through PCI-compliant gateways certified to the highest global standards and protected with advanced, industry-standard encryption protocols. This ensures your personal and payment information remains private and secure.
Paypal: Pay quickly and securely with your PayPal account.
Credit/Debit Cards: Major international credit and debit cards are accepted through Eximbay Global Payments, including Visa, Mastercard, American Express, JCB, and more. All card payments are encrypted and processed securely.
E-Wallets: After selecting the Eximbay Global Payments button at checkout, the Alipay+ option will appear. From there, you can pay securely and conveniently using GCash, Dana, or Touch ’n Go e-wallets.
Komoju (Konbini) – コンビニ決済 for customers in Japan, pay securely at convenience stores or via local payment options.
While our website may display prices in your local currency using a real-time converter for your convenience, please note that all charges are processed in U.S. Dollars (USD).
Your selected payment gateway may allow you to pay in your local currency; however, conversion rates and any fees are set by your bank or card issuer, so the final amount charged may differ slightly from the displayed price. Minor differences can also occur due to exchange-rate fluctuations at the time of payment.
WHAT CURRENCY DO I PAY IN?
WHAT CURRENCY DO I PAY IN?
What currency do I pay in?
For your convenience, we’ve added a real-time currency converter on our site so you can browse and shop in your local currency. Please note that this is for reference only — all orders on GLOWBOX are charged in USD (U.S. Dollars) at checkout.
- PayPal and credit card payments are always processed in USD. Your bank or payment provider may apply a conversion rate or foreign transaction fee depending on your location.
If you’re unsure, we recommend checking with your card issuer or payment service for the most accurate information.
Q: What payment methods can I use?
A: At GLOWBOX, your security is our top priority. We provide a wide range of trusted, secure payment options so you can shop with ease and confidence from anywhere in the world. All transactions are processed through PCI-compliant gateways certified to the highest global standards and protected with advanced, industry-standard encryption protocols. This ensures your personal and payment information remains private and secure.
Paypal: Pay quickly and securely with your PayPal account.
Credit/Debit Cards: Major international credit and debit cards are accepted through Eximbay Global Payments, including Visa, Mastercard, American Express, JCB, and more. All card payments are encrypted and processed securely.
E-Wallets: After selecting the Eximbay Global Payments button at checkout, the Alipay+ option will appear. From there, you can pay securely and conveniently using GCash, Dana, or Touch ’n Go e-wallets.
Komoju (Konbini) – コンビニ決済 for customers in Japan, pay securely at convenience stores or via local payment options.
While our website may display prices in your local currency using a real-time converter for your convenience, please note that all charges are processed in U.S. Dollars (USD).
Your selected payment gateway may allow you to pay in your local currency; however, conversion rates and any fees are set by your bank or card issuer, so the final amount charged may differ slightly from the displayed price. Minor differences can also occur due to exchange-rate fluctuations at the time of payment.
WHERE DO YOU SHIP?
WHERE DO YOU SHIP?
We ship worldwide! From Seoul to your doorstep, we deliver to most countries using trusted international carriers.
HOW LONG DOES DELIVERY TAKE?
HOW LONG DOES DELIVERY TAKE?
Most orders are processed within 1–3 business days. Delivery times vary depending on the shipping method selected at checkout and your location.
On average:
Premium Express Shipping: ~2-5 business days
Standard Shipping: ~10–25 business days
Please note that delivery times may vary depending on your location, customs processing, local carrier delays, or seasonal demand.
You'll receive a tracking number by email once your order ships.
HOW MUCH IS SHIPPING? Does shipping include customs duties and fees?
HOW MUCH IS SHIPPING? Does shipping include customs duties and fees?
Shipping rates are calculated at checkout based on your country and order weight. We offer free shipping on qualifying orders — look for current promos on our homepage!
Does shipping include customs fees?
It depends on the shipping option chosen:
If using DHL Premium Express Shipping (DDP), all duties and taxes are included. The total you pay at checkout is final, with no additional charges upon delivery.
If using Standard International Shipping (non-DDP), customs fees are not included. Please note that duties, taxes, or import fees may be charged by local customs depending on your country. These charges are the responsibility of the recipient.
Note: Customs policies vary by country, and while we aim to make shipping as smooth as possible, we cannot control how local authorities assess fees for non-DDP shipments. While we do our best to help you avoid additional charges — for example, staying within common duty-free limits (e.g. ₱10,000 for the Philippines, AUD $1,000 for Australia, £135 for the UK) — customs policies vary by country, and any applicable fees are the responsibility of the recipient.
See our Shipping Policy and Guide here.
We strongly recommend checking with your local customs office for the most accurate and up-to-date information. GLOWBOX is not responsible for any customs fees, delays, or charges incurred upon arrival in the destination country.
Will my order arrive in multiple boxes?
Will my order arrive in multiple boxes?
For international orders, we always try to consolidate your items into one package whenever possible to reduce shipping costs. However, depending on the size, weight, or sourcing location of certain products, your order may be shipped in multiple boxes.
If that happens, you’ll receive separate tracking numbers for each shipment.
Rest assured, even if your items arrive on different days, the rest of your order is on its way.
If you have questions about the shipping status or tracking, feel free to contact us anytime at support@glowboxkorea.com.
I’M LOOKING FOR A PRODUCT THAT’S NOT ON YOUR SITE.
I’M LOOKING FOR A PRODUCT THAT’S NOT ON YOUR SITE.
If you're looking for a specific item or have special product requests, inquiries, or B2B bulk orders, contact us at support@glowboxkorea.com — we'll be happy to assist you!
CAN I CANCEL OR EDIT MY ORDER?
CAN I CANCEL OR EDIT MY ORDER?
If your order hasn’t shipped yet, we may be able to help. Please contact us as soon as possible with your order number at support@glowboxkorea.com . Once an order is fulfilled, cancellations or changes are no longer possible.
DO YOU ACCEPT RETURNS OR EXCHANGES?
DO YOU ACCEPT RETURNS OR EXCHANGES?
Due to the nature of cosmetic and personal care items, free returns/refunds are only accepted for items that arrive damaged, defective, or incorrect. If there’s an issue, please contact us at support@glowboxkorea.com within 7 days of delivery and we’ll make it right. Please make sure to include photos of the actual item(s), original packaging and invoice.
