Best application areas and effects of fever-reducing patches:
1. Forehead: Large area with abundant blood vessels, effectively absorbs coolness to help reduce fever.
2. Neck: Highly vascularized, cools blood and helps lower body temperature.
3. Armpits: Rich in blood vessels and sensitive skin, provides good fever reduction.
4. Groin: Highly vascularized, cools blood and relieves fever.
5. Temples: Numerous blood vessels and close to the brain, lowers head temperature and relieves discomfort.