Cooling Hydrogel Plaster Helping to Reduce Fever provides an instant cooling effect.• It does not drip water and does not slip.• Easy to use.• It does not contain medication.• It is effective for up to 8 hours.• It helps regional cooling in children with fever.• Hydrogel naturally contains methiol lactate and can be used with medications.• It is effective as a regional cooler.• It is recommended for cooling and controlling fever in feverish cases.