The smell of lavender essential oil is potent for many types of bugs like mosquitoes, midges, and moths. Apply some lavender oil on the exposed skin when outside to prevent these irritating bites. Furthermore, if you do happen to be bitten by one of those bugs, lavender essential oil has anti-inflammatory qualities that will reduce the irritation and the pain associated with bug bites.

Lavender essential oil induces sleep and is thus used as an alternative treatment for insomnia. Frequent studies on elderly patients have shown an increase in their sleep regularity when their normal sleep medication is replaced with some lavender essential oil being placed on their pillows. It has a relaxing impact on people; thereby, it often replaces modern medicines for sleep issues.

There is a significant research on the effects of lavender, in combination with other essential oils, as a way to prevent the occurrence of breast cancer in mice. This could be an indication of an increased chance of lavender battling carcinogenic effects and the presence of cancer.

Lavender essential oil has a calming scent which makes it an excellent tonic for the nerves and anxiety issues. Therefore, it can also be helpful in treating migraines, headaches, depression, nervous tension and emotional stress. The refreshing aroma removes nervous exhaustion and restlessness while also increasing mental activity. It has a well-researched impact on the autonomic nervous system, which is why it is frequently used as a treatment for insomnia and also as a way to regulate heart-rate variability. One study showed that people taking tests showed a significant decrease in mental stress and anxiety, as well as increased cognitive function when they inhaled lavender oil and rosemary oil before taking the test.

According to dermatologists and aromatherapists, lavender essential oil is one of the most beneficial oils in the treatment of acne, which is a very uncomfortable and embarrassing condition that primarily affects young people as they move through puberty, but can also afflict adults. It is characterized by red, raised sores on the face and body that develop due to a bacterial infection near the sebum gland. When sebum cannot be properly secreted from the sebum glands on the face, it begins to build up, particularly because puberty stimulates extra sebum and bacteria feed off of it, creating a vicious cycle of irritation, infection, and visible sores that can result in serious scarring.

Lavender oil is useful for digestion because it increases the mobility of food within the intestine. The oil also stimulates the production of gastric juices and bile, thus aiding in the treatment of indigestion, stomach pain, colic, flatulence, vomiting, and diarrhea.

Regular use of lavender essential oil provides resistance to a variety of diseases. Lavender has antibacterial and antiviral qualities that make it perfect for defending the body against rare diseases like TB, typhoid, and diphtheria, according to early research in the 20th century.

Lavender essential oil is known as an excellent remedy for various types of pains including those caused by sore and tense muscles, muscular aches, rheumatism, sprains, backache, and lumbago. A regular massage with lavender oil can provide relief from pain in the joints. A study done on postoperative pain relief showed that combining lavender essential oil vapor into the oxygen significantly reduced the amount of pain experienced, versus those patients who were only revived with oxygen after a major surgery.

It is used to treat various skin disorders such as acne, wrinkles, psoriasis, and other inflammatory conditions. It is commonly used to speed up the healing process of wounds, cuts, burns, and sunburns because it improves the formation of scar tissues. Lavender oil is also added to chamomile to treat eczema.

Lavender oil is widely used for various respiratory problems including throat infection, flu, cough, cold, asthma, sinus congestion, bronchitis, whooping cough, laryngitis, and tonsillitis. The oil is either used in the form of vapor or is applied to the skin of neck, chest, and back. It is also added to many vaporizers and inhalers that are commonly used for cold and cough. The stimulating nature of lavender essential oil can also loosen up the phlegm and relieve congestion associated with respiratory conditions, thus speeding up the recovery process and helping the body naturally eliminate phlegm and other unwanted material. The vapor of lavender essential oil also has antibacterial qualities which can battle respiratory tract infections.

Lavender essential oil is also good for improving circulation of blood in the body. Research suggests that aromatherapy using lavender oil has beneficial effects on coronary circulation. It also lowers blood pressure and is often used as a treatment for hypertension. This means that not only do the organs increase their levels of oxygenation, promoting muscle strength and health, but brain activity can have a noticeable boost, skin remains bright and flushed with blood, and the body is protected from the risks of heart attack and atherosclerosis often associated with poor blood circulation.

Lavender essential oil is useful for hair care because it has been shown to be very effective on lice, lice eggs, and nits. Furthermore, lavender essential oil has also been shown to be very helpful in the treatment of hair loss, particularly for patients who suffer from alopecia, an autoimmune disease where the body rejects its own hair follicles. A Scottish study reported that more than 40% of alopecia patients in the study reported an increase in hair growth when they regularly rubbed lavender essential oil into their scalp. Therefore, lavender oil is sometimes recommended as a preventative measure for male pattern baldness.