Lavandin is often called French Lavender.  It is a natural hybrid of English Lavender and Spike Lavender. Commonly used in perfumes and cosmetics. The benefits are the same as lavender but it has a higher camphor content and produces more oil. Great to make your own aromas.
Nutrients/Active Ingredients:  Contains vitamin A, calcium, and iron.
Uses by system and symptom: 
Cardiovascular:  May lower your blood pressure.
Digestive/Gastrointestinal: has been used to treat canker sores, gas, indigestion, nausea, vomiting, and anorexia.
Integumentary/Skin: Has been used to treat insect bites and burns.
Skeletal: Oil has been used to help with arthritis pain.
Muscular: used as a muscle rub for relaxation.
Nervous: Has been used to treat headaches, mild depression, insomnia, and anxiety.
Immune: Used as an anti-fungal and disinfectant.
Male/Female Reproductive:
Other: Has been used with tea tree oil for lice treatment.
Common doses and preparation: Used in soaps, perfumes, cosmetics, aromatherapy, as a tea, oil, tincture.   Can be added to foods with recipes using floral flavor.  Tastes peppery and floral. Often combined with fruit flavor. 
Side Effects/Precautions/Interactions: Safety not established with use in pregnancy, lactation, and children.  Not recommended if you are taking medicines for high blood pressure or sedatives. 
* This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For educational purposes only. We recommend speaking with a physician or health care professions, especially if you have medical conditions, are pregnant or lactating, on medications, or use with children and infants.