※ Expiration date : We will send you the most recent products.


Store the sauce in the refrigerator after opening.


The products are shipped directly from Korea.

It takes 5 to 10 days for shipping.

And then? You deserve all the Korean special tastes!

▶Return / Refund

If any serious damage or mistake in delivered package happens,

please leave a message on Q&A chat or Shopee customer service center.

★ Happy KO – Customer Service ★

Welcome to ‘Happy Ko’!

All products in ‘Happy Ko’ are the most popular and authentic products in Korea.

If you have any questions regarding the product or delivery, please feel free to leave a message.

We are trying to response as soon as possible on the same day. 🙂


Original Buldak Sause, Buldak Mayonnaise Sause, Carbo Buldak Sause, Extra Spicy Buldak Sause


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