Shelli Marks
January 9, 2026
This certificate is honored to
CERTIFICATE OF COMPLETION
Lise Andersen
Tutor
Issuing date
Course hours
12
Robert Tisserand
Principal
WHO SUCCESSFULLY COMPLETED ALL FOUR LESSONS OF
ESSENTIAL HAIR CARE
AND DEMONSTRATED A FULL UNDERSTANDING OF THE SUBJECT MATTER
SM
Issued to
Shelli Marks
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Credential Verification
Issue date: January 9, 2026
ID: 20d80523-477a-40c1-819b-9a103607bded
Issued by
Tisserand Institute
Online education institute providing evidence-based education in the field of essential oils and aromatherapy.
Type
Course
Format
Online
Description
No information provided for this award.