Make it Last Sunscreen Setting Spray can be used on bare skin for essential SPF coverage, or as the finishing touch to lock in makeup for up to 16 hours & help protect skin from UV exposure. Shake bottle well. With eyes closed, mist face evenly, holding bottle 10-12 inches away from your face. Let spray dry for 10 - 15 seconds before opening eyes. For all day sun protection, reapply frequently throughout the day, every 2 hours is recommended.