Why it worked
The video leverages a relatable "before and after" narrative, contrasting past insecurities with current confidence, to subtly introduce and recommend skincare products.
Summary
The video contrasts the creator's past struggles with acne, shown through old photos, with their current clear skin achieved after discovering azelaic acid. It then lists three recommended brands of azelaic acid for viewers.
Product placement
skin1004 (skincare product, ACTS - it is recommended as a safe option for azelaic acid, removing it would change the recommendation; removing it would change the video's advice)
anua (skincare product, ACTS - it is recommended as a safe option for azelaic acid, removing it would change the recommendation; removing it would change the video's advice)
abib (skincare product, ACTS - it is recommended as a safe option for azelaic acid, removing it would change the recommendation; removing it would change the video's advice)