In Seongsu, Olive Young Seongsu Station (91 Achasan-ro) is open until 10:30pm,
and Olive Young Beauty Mansion Seongsu (108 Seongsui-ro, B1–4F) and Olive Young N Seongsu (13 Yeonmujang 7-gil) until 10pm. LABO-H's scalp clinic scaler (208g) has a Monchhichi design too, 1K+ reviews. Recs: 2