Discover the best long wear setting sprays in this ultimate smudge test! We compare 5 top rated sprays including Urban Decay, Charlotte Tilbury, and MAC to see which truly locks in your makeup all day. Learn what makes a great setting spray, how to apply it for maximum longevity, and which formula suits your skin type. Whether you're after a dewy glow or matte finish, this guide helps you choose the perfect spray for flawless, smudge proof makeup.