The scorching summer heat makes makeup melt away—especially eye makeup. The combination of sweat, oil, and humidity often turns your eyeliner into panda eyes, a common nightmare for many. To keep your eyeliner clear, sharp, and smudge-free all day long, choosing a high-quality waterproof and oil-resistant eyeliner pencil is essential. Today, we recommend three globally acclaimed eyeliners that can effortlessly keep your eye makeup fresh whether you’re commuting or spending time outdoors in the summer heat. During hot summer months, achieving long-lasting, smudge-free eyeliner becomes especially challenging. This is largely due to environmental and physiological factors that compromise makeup durability. 1.1 Dual Assault of Sebum and SweatThe combination of increased…