THE. DIFFERENCE.

The video effectively uses a 'before and after' format to highlight the negative side effects of a common product type and contrasts it with a seemingly superior alternative, creating a strong visual and emotional impact.

The creator shows the negative side effects of popular prostaglandin eyelash serums, including redness, irritation, and itchiness. She then contrasts this with the positive results of using a Korean peptide eyelash serum, which she claims made her lashes thick and fast without any negative side effects.

Luxe & Lather Co. (appears, watermark, removing it would not change what happens in the video) Korean peptide eyelash serum (acts, its result is shown, removing it would change what happens in the video) Prostaglandin eyelash serums (acts, their negative result is shown, removing it would change what happens in the video)