Healer Library
Science

Science

From fundamental chemistry to plant botany to how oils are made and tested.

Oil Chemistry

What Are Essential Oils

A precise answer — what essential oils are chemically, and what makes them different from fragrance or carrier oils.

5 min read

Distillation

How plants become oil — steam distillation, cold pressing, and why the method matters for quality.

6 min read

Purity & Quality

What CPTG means, how adulteration happens, and how to read a quality report.

7 min read

Sourcing

Why growing conditions, geography, and harvest timing all affect what ends up in the bottle.

6 min read

The Oil Effect

The Roseman University research — what happens to the body when essential oils are applied.

6 min read

Plant Botany

Plants & Oils

Why plants make aromatic compounds — and which plant structures hold them.

6 min read

History of Healing

Five thousand years of aromatic plant use — from ancient Egypt to modern aromatherapy.

7 min read

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