Aromatherapy With Natural Oils Dellia Aromatherapy, is the latest innovation from Dellia Air Freshener that gives relaxation effect. Direction: Shake well before spraying. Caution: Avoid from eye contact. Keep away from children. Danger! Pressurized content, may explode at temperature of above 50 Celcius degrees. Keep in a cool and dry place. Do not puncture and expose to open flame or incinerate 1. Based on the label above. What should we do before using this product? a. By stirring before spraying. b. By boiling before spraying. c. By heating before spraying. d. By shaking before spraying.​