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SKU 100005019

Hyper Retinol EX 1.0 Serum

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$15.66$21.61Save 28%

Only at SkinSeoul

We want you to feel reassured when purchasing your skincare products on SkinSeoul, so we offer an authentic product guarantee for all orders. We ship all orders direct from our warehouse in Korea and we guarantee that we will refund your order in full if you believe your product is inauthentic. If you are concerned about the authenticity of your product, please send us an email and our team will be able to assist.

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We are happy to price match an authorized retailer within 15 days of the purchase date under the following conditions:

  • The item must be available to purchase on the competitor’s website. We do not price match from eBay or clearance stores.
  • The item must be the same brand, product, variant, and volume.
  • Clearance and final sale prices will be matched solely at the discretion of our support team.

If you would like to make a price matching request, please send an email to our team and we’ll be able to assist.

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Enjoy free shipping on orders over $49

Product Information

Isntree Hyper Retinol EX 1.0 Serum is a potent anti-aging serum designed to diminish fine lines and wrinkles, enhance skin firmness, and strengthen the skin’s moisture barrier with a combination of 1% Retinol EX, 5 peptides, and 15 ceramides. Its lightweight, milky formula absorbs quickly, also containing TECA to protect the skin and reduce inflammation.
  • Contains 1% Retinol EX to visibly reduce fine lines and wrinkles.
  • Infused with a combination of 5 peptides and 15 ceramides to enhance skin firmness and protect the skin's moisture barrier.
  • Includes TECA to protect against skin inflammation and promote a healthier complexion.
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Only at SkinSeoul

Price Matching Guarantee

We are happy to price match an authorized retailer within 15 days of the purchase date under the following conditions:

  • The item must be available to purchase on the competitor’s website. We do not price match from eBay or clearance stores.
  • The item must be the same brand, product, variant, and volume.

Clearance and final sale prices will be matched solely at the discretion of our support team. If you would like to make a price matching request, please send an email to our team and we’ll be able to assist.

Only at SkinSeoul

Return + Exchange Policy

My order has arrived Faulty. What should I do?
Please contact our customer service team to report the issue. To assist us in effectively addressing the problem, please provide photos of the consignment note or shipping label, and videos showing the fault with the item. We request that you arrange for its return within the next 5 days. You have the selection of requesting an exchange 1 to 1 of the same product, or a full refund of the returned faulty item.
For Exchange request: Once we receive the returned item, we will begin the exchange process, there will be a refund of the return shipping cost, which will be credited back to your original payment method, once we have shipped out the replacement product, you will receive an email stating that your order has been packed and dispatched, this will include the tracking number and a URL for you to track the delivery status, your replacement product will typically reach you within 5-8 days.
For Full Refund request: Once we receive the returned item, we will begin the refund process, including the return shipping cost, which will be credited back to your original payment method.
We truly appreciate your understanding and are committed to ensuring your satisfaction with our products and services. If you have any further questions or need assistance with the return process, please do not hesitate to contact us.
My order has arrived Damaged. What should I do?
Please contact our customer service team to report the issue. To assist us in effectively addressing the problem, please provide photos of the consignment note or shipping label, and videos showing the damage on the item. We request that you arrange for its return within the next 5 days. You have the selection of requesting an exchange 1 to 1 of the same product, or a full refund of the returned faulty item.
For Exchange request: Once we receive the returned item, we will begin the exchange process, there will be a refund of the return shipping cost, which will be credited back to your original payment method, once we have shipped out the replacement product, you will receive an email stating that your order has been packed and dispatched, this will include the tracking number and a URL for you to track the delivery status, your replacement product will typically reach you within 5-8 days.
For Full Refund request: Once we receive the returned

Only at SkinSeoul

3x Authenticity Guarantee

We want you to feel reassured when purchasing your skincare products on SkinSeoul, so we offer an authentic product guarantee for all orders. We ship all orders direct from our warehouse in Korea and we guarantee that we will refund your order in full if you believe your product is inauthentic. If you are concerned about the authenticity of your product, please send us an email and our team will be able to assist.