day 1

The video uses a common "before and after" format with a time-lapse progression, which is visually engaging and clearly demonstrates the supposed effect of the product over time. The use of simple on-screen text indicating the days adds clarity to the progression.

The video shows a time-lapse of someone applying a product to their underarms over seven days. It begins with a "before" shot, showing darker underarms, and progresses through daily applications, implying a brightening effect.