To address the common issues of shine and makeup not lasting for those with oily skin, this article systematically explains how to scientifically select and effectively use a waterproof, long-lasting liquid foundation. The article details the characteristics of sebum secretion in oily skin, emphasizing the oil-control formula and internationally recognized certifications of waterproof liquid foundations. Combined with professional skincare routines and setting techniques, it helps achieve a refreshing, shine-free look all day long. Infographics showcase actual oil-control effectiveness data, guiding users in selecting the right product and proper makeup removal techniques, ensuring a more stable and comfortable look. This article not only promotes the scientific basis for using liquid foundation for oily skin but also highlights the customized service and brand reputation, effectively meeting the demand for high-quality makeup.