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 If your skin is too sensitive, dilute tea tree oil with some baby shampoo. Add 10-20 drops of tea tree oil to 1/2 cup of baby shampoo. Use this daily to wash your scalp and hair till you get rid of itchy scalp.  You can even massage diluted tea tree oil to your scalp.