How Can Testis Skin Itching And Peeling Caused By Cream Be Treated?

Hi, 2 months before i applied hair removal cream on my testis. I know it is prohibited but too i applied. soon after applying it was burning so much so i washed out soon. from then after wards, on my testis getting full of itching. when i do itching outer part of skin is coming out like a powder from my testis. so please suggest me what to do?