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.
4. Coconut Oil. Coconut oil is excellent for the hair and scalp and has been used for years in tropical countries as a well-loved beauty tonic. To use coconut oil for itchy scalp, warm a bit of coconut oil and massage it into the scalp. Leave it for a bit and then rinse off. It will take away dry scalp and will add shine and luster to your locks.
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.