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.
Witch Hazel is a natural astringent that can help relieve itchy scalp. This herb is beneficial when you have an itchy scalp due to hair coloring and daily blow drying. Mix one part witch hazel with two parts water. Pour the mixture onto your scalp and massage thoroughly. Let it sit for a few minutes.
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.