There are Lavenders, and there is Lavender Bulgarian. If you're paying under $20 for a 10ml bottle of Lavender Bulgarian then somethings not quite right, since this is one of the hardest and most difficult botanicals to extract and present with the fresh aroma when bottled. 
 
 
The highest quality Lavender grows at altitudes above 2,000 feet.
 
 
MrandMrsNurse have sourced one of the finest 100% Pure and Natural Bulgarian Lavenders on the planet, PLUS it's an organic version! Experience tells us you get what you pay for, and with essential oils it's no different.
 
 
Bulgarian Lavender has a deeper, more fixative scent with a herbaceous tone.
 
 
Bulgaria’s unique climate and soil types are particularly beneficial to growing quality lavender for essential oil. In fact, Bulgaria is known to be the source of the world’s finest Lavender, yielding an essential oil that is as rich in beneficial medicinal properties as it is in aroma. The Black Sea provides a moderating climactic effect, and the Balkan Mountains provide much-needed protection from Siberian winter winds.
 
 
Bulgarian Lavender essential oil differs from other Lavender oils in ways that are immediately noticeable – one of the first things you will discover is that its aroma is at once more pronounced and assertive. For this reason, Bulgarian Lavender is preferred for use in perfumery
 
 
Disclaimer:
The International Federation of Aromatherapists does not recommend that Essential Oils be taken internally unless under the supervision of a Medical Doctor who is also qualified in clinical Aromatherapy. All cautions listed for individual oils do not include those cautions from ingestion.