Aromatherapy Cheat Sheet 2026
The 30 highest-yield Aromatherapy facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.
Aromatherapy exam key facts
- The ARC Registration Examination in Aromatherapy has a maximum of 250 multiple-choice, objective questions. Source
- The ARC Registration Examination in Aromatherapy allows a total testing time of four hours. Source
- The ARC Registration Examination in Aromatherapy has a US $370.00 application fee that includes testing center fees and a non-refundable $75 administrative fee. Source
- Registered Aromatherapist e-certificates from ARC are recognized for a maximum of five years from the date of issue. Source
250 questions
240 min time limit
70.00% to pass
- For managing stress-related hypertension, which aromatherapy intervention has preliminary clinical evidence? → Inhalation of lavender and ylang ylang blend
- For supporting sleep onset and improving sleep quality, which essential oil has the strongest clinical evidence? → Lavender
- What does the term 'aromatherapy' most accurately describe? → The therapeutic use of essential oils from plants
- Which essential oil will help you overcome your shyness and make lots of friends at school? → Jasmine
- Which method disperses essential oil into the air for inhalation? → Diffusion
- Which carrier oil is technically a butter at room temperature and is commonly used in body butters and solid massage bars? → Mango butter
- When making your blend, the FIRST choice you should make when determining how to treat a particular health complaint is → You should choose which oil or oils you will use in the blend
- For supporting immune function and reducing duration of colds, which essential oil has the most evidence-based support? → Ravintsara (Cinnamomum camphora ct. 1,8-cineole)
- What is a 'carrier oil' used for in aromatherapy? → Diluting essential oils for safe skin application
- What is the primary benefit of making essential oil blends? → Essential oils are more powerful when blended with other essential oils.
- Which essential oil is classically used to support respiratory function and relieve nasal congestion? → Eucalyptus globulus
- Which essential oil is commonly used for its antiseptic properties on minor skin blemishes? → Tea tree
- What is a hydrosol (floral water)? → The aromatic water byproduct of steam distillation
- What blending approach involves creating a 'bridge' oil to connect two seemingly incompatible oils? → Bridging
- Which percentage dilution is most appropriate for a facial serum containing essential oils? → 0.5%
- What is a safe general guideline for essential oil use with older adults who may have sensitive skin? → Use lower dilutions and monitor for reactions
- Which French physician expanded on Gattefossé's work and used essential oils to treat wounded soldiers during World War II? → Jean Valnet
- Which oil is known for strong 'hot' or warming skin effects requiring careful dilution? → Cinnamon bark
- What is the maximum recommended dilution of essential oil for a facial application on an adult? → 0.5-1%
- What is the best response if skin irritation occurs after applying a diluted essential oil? → Apply carrier oil to dilute, then wash gently
- Which ancient Ayurvedic practice dating back over 3,000 years in India used aromatic plant materials therapeutically? → Attar distillation and anointing
- Calming, mood-boosting, restful sleep-promoting, and beneficial for meditation are some of its effects on the mind and emotions. → Myrrh
- Why is ingesting essential oils generally discouraged without professional guidance? → They are highly concentrated and can be toxic internally
- Which of these is considered a 'base note' oil due to its slow evaporation? → Patchouli
- Which note classification evaporates the fastest and provides the initial scent impression in a blend? → Top note
- Which ingredient is required to make DIY hand and lip moisturizer? → Beeswax
- Which part of the lavender plant is most commonly used as the source material in steam distillation? → Flowering tops
- Why should essential oils generally be stored in dark glass bottles? → To protect them from light-induced oxidation
- What event is said to have sparked Gattefossé's interest in the healing properties of lavender essential oil? → A laboratory explosion that burned his hand, which he immersed in lavender oil
- Which essential oil is frequently used in hospice and palliative care settings specifically for reducing anxiety and existential distress? → Frankincense
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- A timed, full-length Aromatherapy mock exam — 250 questions in 240 minutes with a 70% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
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- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- Aromatherapy flashcards built from the same question bank.
- Free Aromatherapy practice tests with the correct answer shown after each question.
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- aromatherapycouncil.org — Test delivery, fees, exam format, renewal, retake fee, score release, time limit, score validity, test dates, eligibility · verified Oct 2026