In Seongsu, Olive Young N Seongsu (13 Yeonmujang 7-gil) and Beauty Mansion Seongsu (108 Seongsui-ro, B1-4F) are open until 10 pm, and Seongsu Station Store (91 Achasan-ro) until 10:30 pm. Diffusers are liquids, so they must go in checked baggage; wrap the cap in a zip bag and pack it between clothes. HETRAS comes as a 510ml duo with 3.4K+ reviews.
![[Ollyoung No.1 Diffuser/Special Feature] Hetras Premium Large-Capacity Diffuser 510ml 2-Pack Set](https://image.oliveyoung.co.kr/cfimages/cf-goods/uploads/images/thumbnails/10/0000/0021/A00000021931014ko.png?l=ko)
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