Why it worked
The video likely worked because it offered a simple, relatable "hack" for a common problem (breakouts) using a specific product, presented in a concise and visually engaging way.
Product placement
Dr. Althea US (ACTS - it is a brand of hypochlorous acid spray that the creator uses to clean makeup tools, and removing it would change the video's premise and demonstration; removing it would change what happens in the video)
hypochlorous acid (ACTS - it is the active ingredient in the spray being used, and removing it would change the video's premise and demonstration; removing it would change what happens in the video)
koreanskincare (APPEARS - it is a hashtag related to the product's origin, and removing it would not change what happens in the video)
skincaremist (APPEARS - it is a hashtag related to the product's form, and removing it would not change what happens in the video)
draltheamist (APPEARS - it is a hashtag related to the product's name, and removing it would not change what happens in the video)