Why it worked
The video leverages a popular "Y2K" aesthetic and a trendy color palette (matcha green and pink) to appeal to a fashion-conscious audience. The creator's bio link directly leads to the product, making it easily discoverable.
Product placement
DND ACTIVE (brand of clothing, ACTS - visible on creator's outfit, removing it would change the video's focus on the outfit); DND ACTIVE (brand of clothing, ACTS - mentioned in caption, removing it would change the video's focus on the outfit)