Ju Rhyu, co-founder of Hero Cosmetics, created the Mighty Patch acne treatment, inspired by similar products from her time in Korea. Alongside Dwight Lee, she shares how they identified a unique market opportunity and successfully launched their product on Amazon. Their journey highlights cultural contrasts in business, innovative marketing strategies like a college ambassador program, and how social media propelled their brand's growth. They reflect on the blend of hard work and timing that led them to a $630 million acquisition in just five years.