
Petitgrain Essential Oil: Discover the Magic from Tree to Tranquility
Introduction Petitgrain essential oil is derived from the bitter orange tree. The bitter orange tree produces three different essential oils
Purodem® Journal
Individual essential oil profiles, written for formulating rather than simply enjoying the aroma: what each oil is, how it behaves, and where it earns its place in a blend.
Essential oils sit at the centre of both cosmetic and therapeutic formulation, and understanding one properly means more than knowing how it smells. It means knowing how the oil is produced, how it behaves on the skin, how it works alongside the other materials in a formulation, and when it is better left out.
This section of the Journal is a working reference to individual essential oils: what each one is, its character and common uses, and the considerations that matter when you formulate with it rather than simply enjoy it. The profiles are written for people who want to understand the reasoning behind a choice, not follow a recipe.

Introduction Petitgrain essential oil is derived from the bitter orange tree. The bitter orange tree produces three different essential oils

Introduction Essential oils are highly concentrated plant extracts obtained through various methods such as steam distillation, cold pressing, or solvent

Rosemary essential oil is a popular and versatile oil derived from the Rosemary plant, an evergreen bushy shrub. Rosemary is

Welcome to the wonderful world of Myrrh essential oil! Long known for its wonderful health benefits for the skin and

Yes, that’s a bold title, but this amazing essential oil truly has much to offer! It is a natural essential

What are essential oils? Essential oils are concentrated plant extracts that retain their source’s natural smell and therapeutic benefits. They
Everything here feeds what we teach. If you want to move from reading to formulating, our courses take you from first principles to your own finished work.
Read about ITF — Coming September 2026, a new qualification in therapeutic formulation.
View the NSF Diploma — beginner-friendly, the route into cosmetic formulation.
View the PEOT Diploma — advanced, for practitioners taking essential oil work deeper.