So yes results will vary not only by person but also by the quality of oils. Yes it is common practice to mix lower quality oils with higher quality oils or even adulterate them with other cheap oils such as grape seed oil.
What qualifies an essential oil as high quality you may ask. Well there are several factors one of which is the growing conditions in the country of origin for that particular plant, the other can be the specific species of the plant and the distillation method used can also make a difference as well as the length of time spent distilling the plant and the heat applied as well. High heat is quiet destructive to many chemicals. The amount of heat that is too high varies with what is being distilled.
Mandarin Red is considered safe for use with children and has been known to have a calming effect on children.
Myrrh is known for helping cracked skin heal.
|Looks like green onions, doesn't it?|
Peppermint is known to be stimulating and good for the digestion.
|this is what peppermint looks like|
Sandalwood is awesome for aged skin.
Tea tree is known to be beneficial for fighting acne and certain fungi.
Vetiver is know for being deeply relaxing.
Ylang ylang is both an aphrodisiac and known for being helpful to those who have high blood pressure.
|Not the prettiest of flowers|
Both cardamon and ginger are are beneficial for the digestion including nausea and gas plus can be beneficial for constipation as well.
Cinnamon and ginger are known for being stimulating and warming (improves circulation).
Even though this is not a very well known fact, there are various types of Lavender and they should not be confused with each other. There is lavadin, lavender spike, lavender 40/42 and of course "true" lavender which is generally French Lavender but I have heard that at times English lavender is just as good or better. It really depends on what the use is.
Lavender is one of the most complex molecules and also one of the most versatile essential oils. It is most well known as being relaxing. It is also well known from the story about the French chemists to be excellent for skin burns. I have used it for bruised flesh when I was in a car accident (along with ice), plus it can also be beneficial for acne, skin cuts, scars and headaches.
I will write more about essential oils sometime in the future.