We show ads to those who have already visited our site, page, done some action there (example: placed some goods into the shopping cart, but didn’t pay).
Google Ads itself has only some basics remarceting functions. More complicated settings for remarketing are possible via Google Analytics.
In Google Ads go:
Tools and Settings / Shared library / Audience manager
Create a remarketing list (plus sign).
Segment members: Visitors of a page.
Page URL contains: french-manicure
Input the segment name: French manicure.
In reality you should use more complicated segments (exclude those who has already purchased the advertised product from you).
Now we hawe to Enable Remarketing in Analytics: