Last updated: April 20, 2026
Editorial disclaimer — not medical advice
Content on The Essence Almanac is for informational and aromatic purposes only. It is not intended to diagnose, treat, cure, or prevent any disease, and it is not a substitute for professional medical advice.
Always consult a qualified healthcare provider before using essential oils if you:
- Are pregnant or nursing
- Are caring for an infant, child, or elderly person
- Take prescription medication (oils can interact with blood thinners, seizure medications, and more)
- Have asthma, COPD, or other respiratory conditions
- Have epilepsy, high blood pressure, or cardiovascular conditions
- Have known plant, fragrance, or cross-contact allergies
Pets. Many essential oils that are safe for humans are toxic to cats, dogs, birds, and other small animals. Do not diffuse in a closed room with pets until you've verified each oil on a reputable toxicology resource.
We make no therapeutic claims. We will never tell you an oil "cures" anything. If a source makes such a claim, treat it skeptically.
Amazon affiliate disclosure
The Essence Almanac is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
In plain English
- Product links that go to Amazon are affiliate links.
- If you click one and later buy something on Amazon, we may earn a small commission — usually 1% to 4% of the purchase price.
- You pay exactly the same price either way. The commission comes out of Amazon's end, not yours.
- Commission rates do not influence which products we recommend, what we rank first, or what we write about a brand. The product data on this site is chosen editorially and ranked on merit.
How to identify an affiliate link
Every outbound link to Amazon on this site:
- Opens in a new tab (
target="_blank") - Carries
rel="nofollow sponsored noopener"so search engines and screen readers can flag it - Is clearly labeled "View on Amazon" or similar
If you'd rather not use our affiliate link, you can also search Amazon directly — we won't be offended.
Product reviews
Every product on this site was chosen because we (or contributors we trust) consider it worth your money. We do not accept paid reviews, paid rankings, or paid inclusion. If a brand sends us a product to test, we disclose it in the relevant article.
We have no financial relationship with any MLM essential-oil company (doTERRA, Young Living, etc.) and we will never join their compensation plans — even when covered articles rank them favorably for specific use cases.
Data sources
Scientific claims on this site cite the primary literature where possible (PubMed, peer-reviewed journals, Tisserand & Young's Essential Oil Safety, 2nd ed.). Where we rely on industry standards (IFRA, NAHA, Robert Tisserand's guidance), we say so. When research is missing or weak, we say so explicitly — we'd rather admit uncertainty than fabricate confidence.
Corrections
Found an error? Please email contactscienceaplus@gmail.com. We publish corrections openly at the bottom of any article we update substantively.
Trademark notice
All brand names and product names referenced on this site are the property of their respective owners. Use of these names, logos, and brands does not imply endorsement unless explicitly stated.
Questions
For any questions about this disclosure or our editorial standards: contactscienceaplus@gmail.com.