Essential Oil Blending
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Essential oil blending is a little different than the way we blend our synthetic fragrances. We use a 3-2-1 method of blending essential oils. This means that we look at the "note" of each oil that a client would like to have included in their final blend. Top notes are 3 parts, Middle notes are 2 parts, and base notes are 1 part. So if we are talking about drops (because essential oils do not require much) we would be talking 3 drops of each top note EO, 2 drops of each middle note EO, and 1 drop of each base note EO.
But it does not just stop there. We also look at the volume of base or carrier and we do not generally go above a 3% dilution (4% we will occasionally use if requested but we use this amount with strict caution). We use 1% or less for children, pets and the elderly. We use 2-3% in general for most applications. And don't be surprised if we inquire about medications that may be being taken as some essential oils may be contraindicated with certain medications. While we do not dispense medical advice, we will provide precautions with the use of products containing essential oils.
So for instance, if you have a carrier of Massage Oil Base in the amount of a 2 ounce bottle and say we are blending at a 2% dilution ratio with the following oils: Peppermint (top note), Lavender (middle note), and Patchouli (base note). The blend would look something like this.
2% dilution of a 2oz bottle of massage oil = 20 drops total.
Peppermint X 9 drops
Lavender X 6 drops
Patchouli X 3 drops
Total of 18 drops. With this blend I would most likely add a couple additional drops of Lavender to round off the scent. Unless, of course, the client states they want more Peppermint of Patchouli.
Top notes will be the first scent you smell but will dissipate quickly. Middle notes tend to stick around a little bit longer than a top note and they help to blend out and balance out the blend. Base notes are heavier, deeper and warmer scents and tend to stick around the longest. Base notes act as a fixative bonding the blend together longer.
This is the method that we generally use. However, the final blend is always up to the client.