Lemon oil smells just like a newly cut lemon. Lemon oil possesses strong sanitizer properties, and it makes a wonderful air purifier. Lemon essential oil is common for its fresh scent, clean, and it blends well with other oils. The astringency of lemon makes it good for oily skin and hair. It can also help with bronchial problems and asthma, and it stimulates concentration. Lemon oil is said to reduce cellulite when used in body massage oils, body wraps and anti-cellulite salt soaks. When smokers are present, diffusing lemon oil helps rid the air of second-hand smoke. Strong photosensitizer. Do not use within 4 hours of exposure to the sun.