Why it worked
The video effectively uses a 'before and after' format over a clear timeline (7 days) to demonstrate the product's efficacy in improving skin concerns like acne and dark spots, making the results tangible and relatable for viewers.
Summary
The video shows a user applying Purito Azelaic Acid 10 Kojic Tea Tree Serum to their face over a period of 7 days. The user documents the 'before' state of their skin, applies the serum daily, and shows the 'after' results, highlighting improvements in dark spots, acne, redness, and inflammation.