Why it worked
The video provides a curated list of highly-regarded skincare products, presented by a credible source (a product developer), which appeals to viewers seeking effective solutions for skin barrier repair. The creator's personal endorsement and detailed descriptions of each product's benefits and texture create trust and value.
Summary
The creator, a skincare product developer, reviews her top 5 favorite barrier serums that she personally buys. She highlights the SKIN1004 Centella Ampoule, Numbuzin No.3 Skin Softening Serum, Dear, Klairs EGF Serum, Dr. Althea 345 Relief Serum, and Heveblue.us Zinc Matcha Ampoule, discussing their textures, benefits, and suitability for different skin types.