IHADA ALLER SCREEN (イハダ アレルスクリーン EX) is a spray that can be applied directly on your face or hair and helps to block pollen, virus and PM 2.5. The spray is made with Shiseido’s original “ionic repellent technology” which prevent pollen from sticking on skin or hair, and it also contains natural thermal water which is gentle on your skin. It can be applied even on top of makeup, and it’s recommended to apply every 4 hours.