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A·R·N Toolkit

Free tools for
safe, informed practice.

There is no "anything goes" in aromatherapy. Every safe use — a drop on the skin, a diffuser running in a nursery, a published clinical trial — follows the same idea: clear rules, clearly stated. Explore the free resources below, wherever you're starting from.

Lavender in bloom

A two-part kit —
from a first drop to a published study.

New to essential oils?

Essential Oil Fundamentals — Beginner Guide

A clear, practical introduction to essential oils: how the sense of smell works, the main application methods (compress, inhalation, diffusion, bath, suppository, and more), blending ratios, and the core safety rules — everything you need to start using essential oils with confidence.

Download the guide
Research or clinical practice?

The TREATS Standard

The transparent-reporting checklist researchers use to document essential oil and aromatherapy studies rigorously — a detailed, item-by-item explanatory guide to support clear, replicable research.

Download the standard
Lemons and thyme growing together

Simple checklists for
everyday decisions.

Practical tool

Skin & Wound Monitoring Checklist

Not every redness or small wound needs an immediate trip to the doctor — but some do. This checklist helps you track how a lesion evolves objectively (photos, temperature, pain, spreading redness) and flags the early signs to never ignore.

Download the checklist

New tools added
as the toolkit grows.

Have a topic you'd find useful as a guide or checklist? Reach out directly or book a short call.