Sylvia Langley
2025-11-24
This certificate is honored to
CERTIFICATE OF COMPLETION
Petra Ratajc, PhD
Tutor
Issuing date
Course Hours
22
Robert Tisserand
Principal
WHO SUCCESSFULLY COMPLETED ALL SIX LESSONS OF
ESSENTIAL OIL PHARMACODYNAMICS MASTERCLASS
AND DEMONSTRATED AN UNDERSTANDING OF THE MECHANICS OF THERAPEUTIC EFFECTS OF ESSENTIAL OILS ON THE HUMAN BODY.
Issued to
Sylvia Langley
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Credential Verification
Issue date: November 24, 2025
ID: 8d852851-5987-46cb-ad05-c1dee5a0de37
Issued by
Tisserand Institute
Online education institute providing evidence-based education in the field of essential oils and aromatherapy.
Type
Course
Level
Advanced
Format
Online
Description
No information provided for this award.