Why it worked
The video uses a simple, high-contrast 'stress test' to provide immediate, visual proof of a product claim, which is highly effective for beauty products.
Summary
The creator demonstrates the long-lasting, smudge-proof quality of the L'Oreal Paris Hyaluron Tint by applying it to their hand and rubbing it with a tissue. This video serves as a visual proof of the product's durability.
Product placement
L'Oreal Paris Hyaluron Tint (a lip stain serum): (a) ACTS — the creator applies it to their hand, rubs it with a tissue to demonstrate its long-lasting, smudge-proof quality, and shows the applicator. Removing it would remove the entire subject of the video.