Aromatherapy Essential Oil Blending 2 — Questions and Answers
Question 1: Which essential oil is classified as a base note in the perfumery note system?
- Bergamot
- Lavender
- Sandalwood (Correct answer)
- Eucalyptus
Correct answer: Sandalwood
Sandalwood is a classic base note with a slow evaporation rate and deep, woody, long-lasting aroma.
Question 2: What is the general ratio of top:middle:base notes recommended when building a balanced blend?
- 1:2:3
- 3:2:1 (Correct answer)
- 1:1:1
- 2:4:1
Correct answer: 3:2:1
A 3:2:1 ratio of top to middle to base notes creates a balanced, harmonious blend with good longevity.
Question 3: Which term describes the unpleasant reaction when certain essential oils cancel out each other's therapeutic properties?
- Synergy
- Quenching
- Antagonism (Correct answer)
- Potentiation
Correct answer: Antagonism
Antagonism occurs when two or more oils have opposing properties that diminish each other's effectiveness.
Question 4: What blending approach involves creating a 'bridge' oil to connect two seemingly incompatible oils?
- Layering
- Bridging (Correct answer)
- Synergizing
- Anchoring
Correct answer: Bridging
Bridging uses a third oil with properties shared by both incompatible oils to help them blend harmoniously.
Question 5: How many drops of essential oil are needed to make a 2% dilution in 1 oz (30 mL) of carrier oil?
- 6 drops
- 12 drops (Correct answer)
- 18 drops
- 24 drops
Correct answer: 12 drops
A 2% dilution in 30 mL requires 12 drops, calculated as 30 mL × 20 drops/mL × 0.02 = 12 drops.
Question 6: Which essential oil is commonly used as a 'modifier' to soften and round out harsh blends?
- Peppermint
- Lavender (Correct answer)
- Black pepper
- Lemon
Correct answer: Lavender
Lavender acts as a modifier and blends well with almost any oil, softening sharp or harsh notes.
Aromatherapy Essential Oil Blending 2
Which essential oil is classified as a base note in the perfumery note system?