✦ Research-backed aromatherapy
Essential oils,
grounded in the
actual chemistry.
237 oils and 187 constituents — every figure traced to peer-reviewed GC-MS studies. What oils really are, what's inside them, and how to use them safely. No health hype.
- 237oils profiled
- 187constituents mapped
- 709peer-reviewed studies
- 2,092GC-MS samples
- 0health claims
Start here
Oils for what you need
The library
A reference you can check
Every profile pairs an honest, plain-English guide with real GC-MS composition — median, range and the papers behind each number. 237 oils, cross-linked to the constituents inside them.
Browse all 237 oils →The chemistry, decoded
Ever wondered what linalool actually is?
Every oil is a mix of natural compounds. We map all 187 of them — what each is, and the oils that carry the most — pooled from 2,092 lab samples. Chemistry nobody else publishes.
The promise
Why you can trust these pages
- Peer-reviewed & cited
- Every composition figure traces to a named table in a named open-access paper. Open the source in a click.
- No health claims
- This is analytical chemistry and honest, research-status framing — never "cures", never hype.
- Open data
- The full 709-paper source list and 2,092-sample evidence trail are downloadable. Check our work.
- Honest about limits
- We say when evidence is thin, when a figure is representative, and when to see a professional.
For members
Put it to work
- Dilution CalculatorExact drops for any dilution %, bottle size and carrier.
- Blend BuilderCombine oils into a recipe with live dilution % and safety flags.
- Safety CheckerPhototoxicity, max dilution, cautions and pregnancy/kid/pet flags.
- Compound ExplorerSearch 4,500 constituents across 2,092 lab samples — measured ranges per oil.
From the journal
Reading, honestly done
- Does Lavender Oil Actually Help You Sleep? What the Research Shows Lavender is the go-to oil for bedtime, but does the science back it up? Here's what controlled studies say about lavender for sleep and calm, plus how to use it safely. Read →
- Does Tea Tree Oil Work for Acne? A Look at the Studies Tea tree oil is a popular natural acne remedy, and unusually, it has real clinical trials behind it. Here's what the research shows, how it compares to benzoyl peroxide, and how to use it safely. Read →
- Peppermint Oil and IBS: What the Evidence Really Says Peppermint oil is one of the few essential oils with genuine clinical trials behind it, for irritable bowel syndrome. Here's what the studies show, how it works, and the safety catch. Read →
✦