Second, make compound massage oil or dilute it and use it in the bathtub. Grapefruit essential oil can be used as compound massage oil. After taking a bath, stick to 3 drops of grapefruit essential oil, 2 drops of geranium essential oil and 10 ml of grape seed oil, mix them thoroughly, and then use them to massage the body after proper dilution, especially for obese parts. With reasonable massage techniques, essential oil can be quickly absorbed by the body, thus effectively eliminating edema. It can also be added to the bathtub to promote the decomposition of cellulite and help to treat and relieve colds, flu, lack of vitality, jet lag, muscle fatigue, overweight, headache, depression, mental and physical fatigue, etc.