·Just spray on face and hair once a day to prevent pollen, virus, PM2.5 and house dust from adhering to the body, eyes and nose. ·Can be used over makeup. It can also be used for clothing. ·Skin-friendly hyaluronic acid & ceramide combination. ·Fragrance-free, coloring-free, hypoallergenic type, can be used by children around 3 years old. ·Skin allergy tested. How to use ·Keep about 20 cm away from your face and hair, and spray an appropriate amount (about 3 seconds) so that it spreads over the entire area.