Contains natural limonene oil derived from the peels of orange.Each can of My Shaldan contains limonene oil derived from peels of over 500 citrus fruits.Limonene oil has been known since ancient Japanese medicine to have various benefits in reducing stress and fighting lethargy.Sealed tamper-proof metal can & fragrance intensity regulator lid keeps the freshness intact.Can be used both in car and home for a naturally refreshing experience.Lasts for upto 60 days. Please keep away from sunlight.