Parkinson’s disease (PD) is a neurodegenerative disorder affecting over 6 million globally, second only in prevalence to Alzheimer’s disease. There is currently no conclusive, pre-clinical diagnostic test for PD, diagnosis is usually made through observations by a physician of the decline in motor function. Seborrhoeic dermatitis is a common non-motor symptom reported in 60% of people with Parkinson’s. This condition …