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The 2026-W42 issue.
Every story we published from the 2026-W42 snapshot, in one place. 3 stories so far — more open through the week. The raw data is in the 2026-W42 archive →
Japan2026-10-15
A Korean brand was #1 on Rakuten's beauty chart on October 7
On October 7, the #1 listing on Rakuten Ichiba's beauty ranking was Korean — a d'Alba spray-serum set. Over the eight days we read, Korean brands came and went from Japan's top 10, with Anua and medic
Korea2026-10-14
Derma Factory never left Coupang's skincare top five
Three brands took Coupang's skincare #1 in a single week — TONYMOLY, then WELLAGE, then Derma Factory. Under the churn one brand never moved: Derma Factory was in the top five on every day we read.
Signals2026-10-13
medicube leads America's online shelves. At home in Korea, it barely charts
This week medicube appears on 11 of the 13 best-seller charts we read fresh — #1 on Amazon's skincare list, #1 on TikTok Shop's. The two charts where it is thinnest are the ones in its home country.