What is itching?
Itching is medically called pruritus, and it may leave scars and permanent damage on your skin. This itching sensation can occur to a certain area or all over your body. From my research online I found out that it is also called Aquagenic pruritus, which literally means “water-caused itching”, it causes your body to activate defense mechanisms when it comes into contact with water or sweat. You will feel this itch deep within your skin, but it will not show visible redness or raised welts. Your body will never shown red signs from the itching but it’s so discomforting.
It is neither the water nor soap nor germs, it is a kind of condition and it is also hereditary. I also suffer severely from it too. It is so bad that it lasts for up to 30mins after bath. The solution is to stop using sponge, use only soap and water to bath. . Also avoid change of soap or change of type of water (like from bore hole to tap water). Use of disinfectant is absolutely a waste of time.
CAUSES OF BODY ITCHING
At first i was confused on the causes this disturbing plight until I did a personal research myself which I feel is the cause of the itching. But the real cause of itching after bathing can be outline below;
i.Residues from chemicals/contaminants in water treatment (Chlorine, fluoride, metals, etc.)
ii.Residues from chemicals in soap (like SLS)
iii.Damp towels that have allowed bacteria to proliferate
iv.Dandruff: infact if you have internal dandruff on your hair you are bound to suffer from this dilemma. 
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