Lavandula, or lavender, is a genus of plants used for essential oil and aromatherapy. Lavender supplementation can temporarily alleviate anxiety.
Though lavender does not have a sedative effect, lavender aromatherapy can improve sleep quality, as well as reduce insomnia. Some evidence suggests lavender can increase slow-wave sleep patterns.
Most studies use the lavender oil brand Silexan. There is some evidence to suggest lavender may offer benefits for people suffering from dementia, but it is very preliminary and much more research is needed.
Topical application of lavender can result in contact dermatitis, which is characterized by red and itchy skin.