D-Limonene is a naturally occuring solvent that is the main component of orange peel oil. It has a pleasant orange aroma, is biodegradable, and has a high solvency value. It's versatility as a natural solvent shines in it's pure state, emulsified into water-soluable cleaners as well as other hard surface cleaners, oil field solvents, and aerosol products as a solvent or odor mask.D-Limonene is commonly used as a fragrance ingredient and deodorizing agent for a variety of applications in personal care.