Every story, week by week.

On Oct 31 the 50 mL + 50 mL duo of d'Alba's Waterfull Tone-Up Sun Cream (Pink Correcting) was #24 in Olive Young Korea's suncare ranking. On Nov 8 it was #1, and it was still #1 on Nov 10. It replaced

AESTURA's Atobarrier 365 Cream is #1 on Olive Young's 'Top in Korea' ranking and #1 on Olive Young's US best-sellers in 2026-W46 — both times as a set. In the week Olive Young said it will open five m

Sephora began selling an Olive Young-curated K-beauty edit on Aug 20. Eleven weeks later, two of its brands sit near the top of Sephora's skincare best-sellers — REJURAN at #6 and Torriden at #15 — an

JUNGSAEMMOOL's Essential Skin Nuder Cushion is #1 in Olive Young Korea's makeup chart this week — its first weekly #1 since W40. In between, so natural's setting spray led every weekly read we have, a

The biggest move at the top of TikTok Shop's US skincare chart this week came from ongredients: its BakuGlow Capsule Lotion went from #17 to #2. medicube took #1 back from epais, and nine of the top t

MEDI-PEEL's Melanon X Cream took Coupang's skincare #1 on Oct 27 and kept it through Nov 1 — six days in a row. Derma Factory, which held #1 for the fifteen captured days before that, hasn't been back

TikTok Shop's US skincare chart is still led by Korean brands — eight of the top ten, with epais taking #1 from medicube. But further down the list the mix changed: listings from brands we've confirme

On Oct 24 the #1 listing on Rakuten Ichiba's daily beauty ranking came from rom&nd's official shop. It was the first day a Korean brand held #1 since d'Alba on Oct 7, in the 23 days we have read since

For fifteen captured days in a row, from Oct 10 to Oct 26, the #1 product on Coupang's skincare chart was Derma Factory's. On Oct 27 it was MEDI-PEEL's Melanon X Cream — and Derma Factory had nothing

Six of the ten best-selling skincare listings on TikTok Shop in the US this week belong to one Korean brand: medicube, at #1, #2, #4, #5, #9 and #10. Nine of the top ten are Korean brands, and at leas

Rakuten Ichiba's daily beauty #1 changed hands once this week: Brighte held it Oct 11–13, then Attenir took it and kept it for five straight days. Among Korean brands we can verify, Anua was the one t

Last week three brands took turns at #1 on Coupang's skincare chart. This week there was no turn-taking: Derma Factory's Niacinamide 20% Serum was #1 on all seven days we captured, and on six of them

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

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.

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.

Japan is a major market for Korean cosmetics, and Rakuten Ichiba is one of its largest online malls. On October 3, Rakuten's daily beauty ranking had a Korean brand at #1 — and two more at #3 and #4.

Fifteen of the 100 skincare products on Target's best-seller list this week come from Korean brands — and nearly half of those belong to one brand. medicube places seven listings, the highest at #4.

Korea has two very different places to buy skincare online: Olive Young, the beauty specialist, and Coupang, the everything store. Read their skincare best-seller lists side by side and they barely lo

We read Amazon's own skincare best-seller list. Spate, a trend-data company, estimates what actually sells there. Different methods, different months — and the same answer: a Korean brand, medicube, s