Aromatherapy is a growing field rooted in the use of essential oils to support physical, emotional, and psychological wellbeing. The OSHAA 30-Hours Professional Diploma in Aromatherapy is designed to provide participants with in-depth knowledge of essential oil application, safety, and therapeutic practice. This professionally structured course is ideal for those looking to integrate natural therapies into wellness routines or begin a career in holistic health.
Aromatherapy combines the ancient practice of plant-based healing with modern scientific understanding. This diploma introduces participants to the therapeutic properties of essential oils and how they interact with the human body. Participants will learn safe handling, blending techniques, and the correct use of essential oils for relaxation, mood support, and physical health.
This 30-hour programme provides a balanced foundation in the history, principles, and techniques of aromatherapy. Participants begin by exploring the origins and philosophy behind the use of essential oils, followed by an examination of the chemical constituents that make them effective for specific health outcomes. The course also covers methods of application, blending formulas, safety guidelines, and contraindications.
Real-life case studies and practical examples are included to support participants in selecting appropriate oils and treatment plans for stress relief, sleep improvement, respiratory support, and other wellness goals. Attention is given to ethical practice, client consultation, and the integration of aromatherapy into holistic therapy plans.
The OSHAA 30-Hours Professional Diploma in Aromatherapy stands out for its practical emphasis, scientific grounding, and accessibility. With expert-led content and structured progression, participants can develop both the confidence and competence to practise aromatherapy safely and effectively.
On completion, participants may choose to advance into specialised aromatherapy training, holistic massage therapy, naturopathy, or wellness coaching. The diploma also supports career development in spa therapy, wellness centres, and integrative health clinics.
OSHAA 30-Hours Professional Diploma in Aromatherapy
Study Units
Learning Outcomes
Introduction to Aromatherapy and Historical Perspectives (3 hours)
- Understand the origins and historical development of aromatherapy across cultures
- Identify key milestones in the evolution of essential oil use
- Recognise the foundations of modern aromatherapy practice
- Appreciate the cultural and traditional relevance of plant-based healing
Essential Oil Composition and Therapeutic Properties (6 hours)
- Understand the chemical structure and active components of essential oils
- Identify therapeutic actions such as analgesic, antiseptic, and calming effects
- Match specific essential oils to their health benefits and appropriate uses
- Evaluate oil selection based on therapeutic goals and client needs
Methods of Extraction and Oil Quality Assessment (3 hours)
- Learn various extraction methods including steam distillation and cold pressing
- Understand how extraction techniques influence oil purity and potency
- Assess oil quality using appearance, scent, and sourcing information
- Identify signs of adulteration and poor-quality essential oils
Blending Techniques and Dilution Guidelines (4 hours)
- Understand the principles of blending for therapeutic outcomes
- Calculate appropriate dilution ratios for different applications
- Select carrier oils suited to skin types and treatment objectives
- Create balanced blends using top, middle, and base note structure
Safe Application: Inhalation, Massage, and Topical Use (4 hours)
- Explore the main routes of application and their benefits
- Apply essential oils safely through inhalation methods and diffusion
- Understand massage techniques incorporating essential oil blends
- Recognise contraindications and adapt applications accordingly
Anatomy, Physiology, and the Effect of Essential Oils (3 hours)
- Identify key body systems influenced by essential oils
- Understand how oils interact with the nervous, circulatory, and lymphatic systems
- Relate physiological responses to specific essential oils and techniques
- Integrate anatomical knowledge into treatment planning
Emotional and Psychological Benefits of Aromatherapy (3 hours)
- Understand how essential oils affect mood and emotional wellbeing
- Identify oils used to support stress relief, anxiety reduction, and focus
- Recognise the role of scent memory and olfactory pathways in emotional response
- Incorporate emotionally supportive blends into personalised plans
Client Consultation and Treatment Planning (4 hours)
- Conduct professional and ethical client consultations
- Gather relevant health, lifestyle, and preference information
- Develop tailored aromatherapy treatment plans with achievable goals
- Document, review, and adapt plans to ensure safe and effective outcomes
Course Benefits – OSHAA 30-Hours Professional Diploma in Aromatherapy
- Gain a solid understanding of the therapeutic properties and safe use of essential oils
- Develop practical skills in blending, dilution, and application methods for various wellness needs
- Learn to conduct professional consultations and create personalised aromatherapy treatment plans
- Understand the physiological and emotional impact of essential oils on the body and mind
- Build confidence in integrating aromatherapy into wellness, beauty, or complementary therapy practices
- Enhance knowledge of safety protocols, contraindications, and ethical responsibilities
- Explore aromatherapy as a natural support for stress relief, sleep, mood, and overall wellbeing
- Receive a recognised professional diploma to support career advancement in holistic health
- Access evidence-informed training grounded in both traditional knowledge and modern science
- Prepare for further study or specialisation in natural therapies, wellness coaching, or holistic care
The OSHAA 30-Hours Professional Diploma in Aromatherapy is designed for participants who are interested in exploring the therapeutic use of essential oils within a professional or personal wellness context. This course is suitable for:
- Participants working in complementary therapy, beauty, or wellness services
- Individuals looking to integrate aromatherapy into holistic or client-centred care
- Participants supporting others in stress management, emotional wellbeing, or self-care routines
- Those seeking to build a foundation for further study in natural health or alternative therapies
- Participants who wish to gain formal knowledge and safe practice techniques in essential oil use
Whether aiming to use aromatherapy professionally or for personal development, this course offers the knowledge and confidence needed to practise safely, effectively, and ethically.
