
Advanced Natural Perfumery Workshops & Masterclasses
A substantial collection of advanced workshops and masterclasses for natural perfumers who want to deepen their formulation skills, explore more complex materials and develop greater confidence at the bench.
Originally written by master natural perfumer Justine Crane, the programme brings together specialist lessons, practical exercises and formulation challenges covering a wide range of advanced natural and botanical perfumery subjects.
The course is self-paced, currently open for enrolment and suitable for perfumers who already have a working knowledge of materials, dilution and basic perfume construction.
Course Duration & Schedule
The Advanced Natural Perfumers Workshops are completely self-paced — you can start anytime.
Students typically complete the course in 3 to 6 months, depending on their chosen pace:
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Standard pace: ~7 hours per week over 6 months
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Accelerated pace: ~14 hours per week over 3 months
The course includes approximately:
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6+ hours of reading (core coursework)
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160+ hours of hands-on formulation, exercises, and workshop activities
You are free to adapt the schedule to suit your availability and learning style.

Uma série de oficinas de perfumaria botânica e aulas práticas escritas e instruídas por Justine Crane e traduzidas por Ane* Walsh. Este curso está em andamento e aberto para inscrições.
Clique aqui para saber mais e se inscrever neste curso.
O tempo do curso dura de 3 a 6 meses, dependendo do horário que o aluno escolher para trabalhar.
Total de 170 horas, aproximadamente 7 horas no mínimo por semana durante 6 meses ou 14 horas no mínimo por semana durante 3 meses.
6+ horas lendo apenas informações do curso; Workshop com mais de 160 horas e exercícios de estímulo à participação.

NPA Certification Programme
A structured certification pathway for practising natural perfumers, perfume businesses, schools and individual perfumes that are new to NPA-certified training.
Choose the route that matches your work:
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Individual Perfumer Certification
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Perfume Certification
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Business Certification
The self-paced programme covers ethical sourcing, supplier vetting, sustainability, studio and business practices, transparent marketing and the documentation required for assessment.
Successful applicants receive the appropriate Yellow, Amber or Green NPA certification, permission to use the relevant badge and inclusion in the NPA Certification Directory. The first year of the badge and directory licence is included.
Already professionally trained or previously NPA certified? You may be eligible for the Fast-Track Certification Application instead.
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Curriculum for Individual Perfumers
Estimated Completion Time: 2–6 months, with 2-3 hours per week, allowing time for practical application and ethical practice documentation. -
Curriculum for Perfume Certification
Estimated Completion Time: 2–6 months, with 2-3 hours per week, focused on real-time submissions and ingredient documentation. -
Curriculum for Business Certification
Estimated Completion Time: 2–6 months, with 2-3 hours per week. This allows for in-depth supplier auditing, policy implementation, and reporting.
Note: Participants can work on more than one curriculum simultaneously. Each curriculum can be completed at a self-determined pace—whether they choose to move through quickly or take extra time to ensure thorough understanding and application.

This is an exclusive club for experienced natural botanical perfumers and blenders. Entry is by invite only. Please contact the Ruth for details.
Exclusive Members Only


A series of advanced perfumery workshops and master classes written and instructed by Justine Crane.
Click here to learn more or join the Advanced Perfumers Workshops and Masterclasses 2.0
The course time runs 3 - 6 months depending upon which schedule the student chooses to work.
Total of 170 hours approximate 7 hours minimum per week for 6 months or 14 hours minimum per week for 3 months.
6+ hours reading only coursework information; 160+ hours workshop and participation prompt exercises.