Question 1

What is Perfect Diary?

Accepted Answer

Perfect Diary is a Entity.

Question 2

How often does Perfect Diary appear in global news?

Accepted Answer

Tracked across 2 news events drawn from 13 articles.

Question 3

When was Perfect Diary first tracked by Ergen?

Accepted Answer

First tracked on May 07, 2026.

Question 4

When was Perfect Diary last mentioned in news?

Accepted Answer

Last active on Jul 08, 2026.

Question 5

What is Perfect Diary's current news sentiment?

Accepted Answer

Aggregate sentiment score: 55 on a -100 to +100 scale (negative = critical coverage, positive = favorable coverage).

Question 6

How prominent is Perfect Diary in global news coverage?

Accepted Answer

Attention score of 4, derived from article volume and coverage intensity across 2 events.

Question 7

What is the most recent event involving Perfect Diary?

Accepted Answer

Yatsen partners with Sephora China (Jul 08, 2026, 6 articles).

Question 8

How did the "Yatsen partners with Sephora China" event impact Perfect Diary?

Accepted Answer

Perfect Diary enters LVMH — Sephora's prestige retail network, significantly boosting its brand exposure and credibility in the premium segment.

Question 9

How did the "Yatsen $100M R&D Investment" event impact Perfect Diary?

Accepted Answer

Perfect Diary, a flagship brand of Raytech Holding Limited, is leading the 'makeup skinification' trend and has achieved international success, being recognized as the top-selling lipstick SKU by a Chinese brand worldwide.

Question 10

How is this data collected?

Accepted Answer

Ergen aggregates thousands of global news sources and extracts structured events, entities, and relationships with sentiment and attention metrics. Pages are daily static snapshots from the platform's live database.