Invention Description: Select and wash holy basil, sweet basil, and lemon basil leaves. Steam-distill them by heating with water and collecting the condensed essential oil under an ice-cooled inverted lid. Allow the oil to cool, then transfer it into an amber bottle. Mix 50 ml of eucalyptus oil with the basil oil, cool, and bottle the mixture. Apply 1–3 drops onto each patch, pack them into pouches, and label the final product.