Itching is due to loss of natural skin oil. Itching lotions contain steroids. Steroids reduce fluids in skin and hence are harmful and cause impotency among people.
Some more links to read on Itching.
Got serious itching after using these steroids..
do steroids cause itching’?
Topical steroids can reduce itching, but they reduce blood flow to the skin, resulting in thinning of the skin and increased susceptibility to injury.
Itch Lotions Are Topical Steroid-Free Treatments