Eucalyptus leaves come from the eucalyptus tree, a fast-growing tree native to Australia. They now grow worldwide and have been used by different cultures to treat respiratory conditions, skin irritation, and dental plaque.

Knezevic P, Aleksic V, Simin N, Svircev E, Petrovic A, Mimica-Dukic N. Antimicrobial activity of eucalyptus camaldulensis essential oils and their interactions with conventional antimicrobial agents against multi-drug resistant acinetobacter baumannii. Eucalyptus leaves are known for their potential health benefits. They contain different compounds, including flavonoids and terpenes, with antibacterial and antioxidant effects