Lemon (Citrus limon) peel oil contains limonene plus citral, flavonoids, more than 44 different flavone glycosides, citric and other plant acids. It’s a rich source of pectins, phenols and hydroxycinnamates.
It acts as a natural astringent, antiseptic, and bactericide and is beneficial for acne-prone skin. It is also used to scent personal care products.
Toxicology In Vitro, 2010, issue 8, 2084-2089
Nat. Prod. Plant Resour., 2012, 2 (3):431-435