Summer is all about sunshine, outdoor adventures, and lazy beach days—but it can also mean battling sweat and humidity that threaten to melt your makeup. If you’ve ever struggled with foundation slipping, mascara smudging, or your perfectly applied look fading by midday, you’re not alone! The good news? With the right products and techniques, you can keep your makeup fresh and flawless all day long. Here’s how to sweat-proof your