Amika The Shield Anti-Humidity Spray- 5.3oz is your ultimate defense against frizz, flyaways, and style meltdown. This heat-activated spray forms an invisible shield that protects hair from humidity for up to 24 hours while locking in style and shine. Lightweight and non-sticky, it also offers heat protection up to 450°F—making it the perfect prep step before styling. Stay sleek, smooth, and flawless no matter the forecast.