Unsourced material may be challenged and removed. (May 2015). Etymology is the study of the history of words, their origins, and how their form and meaning have changed over time. By extension, the term the etymology of [a word] means the origin of the particular word.
Home Remedies for Itchy Scalp. 1. Tea Tree Oil- The Best Home Remedy for Itchy Scalp. For centuries, tea tree oil has been used for dandruff, dry hair and itchy scalp and not in vain! The the component terpinen-4-ol gives tea tree oil its strong antibacterial, anti-fungal and anti-inflammatory properties.
1 Take few drops of all the oils i.e. tea tree oil, lavender oil and rosemary oil. 2  Mix it well and apply this to the scalp where it is affected by the psoriasis.  All these oils are anti-bacterial that aid in curing an itchy scalp and has the properties that helps to promote faster healing of the affected scalp area.