Aromatherapy Short Course

Lesson 1 • The Chemistry of Scent Molecules

Introduces volatile organic compounds responsible for aroma. Establishes the molecular basis needed for all subsequent aroma analysis.

Lesson 2 • How the Olfactory System Works

Explains receptor binding, signal transmission, and brain processing of scent. Connects physiology to practical aroma perception skills.

Lesson 3 • Aroma Classification Systems

Surveys major scent wheels, fragrance families, and odor descriptor frameworks. Provides a shared vocabulary for professional aroma communication.

Lesson 4 • Building a Personal Aroma Vocabulary

Trains systematic scent description using standardized reference materials. Develops the descriptive precision required throughout the course.

Lesson 1 • Quality Indicators and Adulteration

Teaches sensory and analytical markers of raw material quality. Prepares learners to detect adulteration and assess supplier reliability.

Lesson 2 • Animal-Derived and Biotechnology Sources

Reviews traditional animal-derived materials and modern biotechnology alternatives. Addresses ethical and regulatory considerations for each source type.

Lesson 3 • Sustainable Sourcing Principles

Covers environmental impact, fair-trade practices, and traceability in aroma sourcing. Links responsible procurement to long-term ingredient availability.

Lesson 4 • Synthetic Aroma Chemicals

Introduces key synthetic aroma chemicals and their role in modern formulation. Explains how synthetics extend creative range and ensure supply consistency.

Lesson 1 • Post-Extraction Processing and Storage

Addresses filtration, rectification, deterpenation, and proper storage conditions. Ensures learners can maintain extract integrity from production to formulation.

Lesson 2 • Steam and Hydro Distillation

Explains the mechanics of steam and hydro distillation for essential oil production. Covers equipment setup, operating parameters, and yield optimisation.

Lesson 3 • Solvent and Enfleurage Extraction

Covers solvent extraction producing concretes and absolutes, plus traditional enfleurage. Compares solvent residue concerns with aromatic richness outcomes.

Lesson 4 • Cold Press and Expression Methods

Details mechanical expression used primarily for citrus peel oils. Addresses equipment, efficiency, and the impact on aroma freshness.

Lesson 1 • Aroma Profiling and Mapping

Teaches construction of aroma profiles, radar charts, and olfactive maps. Translates analytical data into actionable formulation insights.

Lesson 2 • Stability and Aging Assessment

Evaluates how aroma materials change over time through oxidation, polymerisation, and evaporation. Prepares learners to predict and manage aroma shelf life.

Lesson 3 • Sensory Panel Design and Management

Covers panel recruitment, training, and statistical analysis of sensory data. Ensures reliable, reproducible evaluation results in professional settings.

Lesson 4 • Gas Chromatography for Aroma Profiling

Introduces GC and GC-MS as tools for identifying and quantifying aroma compounds. Connects chromatographic data to sensory descriptors.

Lesson 1 • Harmony, Contrast, and Accord Building

Teaches how to create accords, manage contrast, and achieve olfactive harmony. Connects aesthetic principles to practical blending decisions.

Lesson 2 • Blending Ratios and Proportions

Covers percentage-based formulation, dilution calculations, and ratio balancing. Develops the quantitative precision required for reproducible blends.

Lesson 3 • Fixatives and Longevity Enhancement

Examines fixative materials and techniques that extend aroma longevity on skin and surfaces. Addresses both natural and synthetic fixative options.

Lesson 4 • Iterative Formula Refinement

Guides systematic modification of formulas based on sensory feedback and evaluation data. Builds disciplined revision habits for professional-quality outcomes.

Lesson 1 • Aroma Safety Assessment Frameworks

Introduces dermal sensitisation, phototoxicity, and systemic toxicity assessment methods. Establishes the safety evaluation process required before product launch.

Lesson 2 • Allergen Identification and Management

Covers regulated fragrance allergens, declaration thresholds, and substitution strategies. Prepares learners to manage allergen risk in finished products.

Lesson 3 • Labelling and Ingredient Disclosure

Addresses ingredient listing rules, INCI nomenclature, and consumer transparency expectations. Connects regulatory knowledge to practical product labelling.

Lesson 4 • Safety Documentation and Record Keeping

Establishes systems for maintaining safety data sheets, batch records, and audit trails. Ensures traceability and readiness for regulatory inspections.

Lesson 1 • Functional and Wellness Aromatics

Explores evidence-based applications of aroma in stress reduction, focus, and sleep support. Distinguishes therapeutic claims from sensory wellness positioning.

Lesson 2 • Cosmetics and Personal Care

Examines aroma use in skin care, hair care, and body products. Addresses skin sensitisation, stability in emulsions, and consumer safety.

Lesson 3 • Food and Beverage Flavoring

Addresses food-grade aroma compounds, flavour-aroma interaction, and labelling requirements. Applies extraction and formulation knowledge to edible applications.

Lesson 4 • Ambient and Environmental Scenting

Covers scent marketing, HVAC diffusion, and space-specific aroma design. Applies formulation skills to large-scale environmental aroma delivery.

Lesson 1 • Trend Analysis and Market Positioning

Covers fragrance trend forecasting, consumer insight tools, and competitive benchmarking. Positions formulation decisions within broader market strategy.

Lesson 2 • Portfolio Management and Brand Coherence

Guides development of a coherent aroma portfolio across multiple products or lines. Ensures brand olfactive identity is consistent and strategically differentiated.

Lesson 3 • Cost Optimisation Without Quality Loss

Addresses ingredient substitution, formula streamlining, and cost-per-kilo management. Maintains olfactive integrity while meeting commercial cost targets.

Lesson 4 • Complex Multi-Accord Compositions

Builds on accord construction to create layered, multi-dimensional aroma compositions. Addresses structural complexity, coherence, and creative differentiation.