$6 UNDER EYE BRIGHTENER

The video effectively leverages the "affordable beauty" trend by showcasing a highly effective product at a very low price point, combined with a clear demonstration of its results and a mention of its best-selling status on Amazon.

The creator demonstrates an affordable makeup product, the Catrice Cosmetics Eye Brightener, highlighting its ability to brighten under-eye darkness. She shows how to apply it with a brush, emphasizing its hydrating formula and lack of creasing, and mentions it's a best-seller on Amazon.