Petitgrain Petitgrain essential oil is derived from the bitter orange tree, which has a long history of use in traditional health practices. Petitgrain delivers calming and relaxing benefits to ease feelings of tension and stress. Main Benefits: — Calming and relaxing aroma — Promotes a restful sleep — Provides antioxidant support Uses: ■ ■ ■ 52 efore going to bed, add a few drops of Petitgrain along with Lavender or Bergamot to pillows B and bedding. Popular among men and women, Petitgrain can be used in body sprays, lotions and colognes for a customised floral scent. Place a few drops on a scrubbing towel or loofah along with soap and enjoy a relaxing scent while you shower.