Except face full body have diff patches.

After bath full body skin get dry n my body have different  patches of red color. My skin is like dead skin except face. Some white colour skin automatically comes out with my clothes which I have wear. Have this problem from childhood bt now reached at top. I never applied any chemical product or on my body still I am facing this issue. Sometimes I remove that patches with the help of my nails but the are infinity. Hope so it will be cure. Please suggest me the best treatment for this. Every person to whom I visit ask me the question related to my skin. In my school, college, office everywhere. I am so done with this plz plz plz suggest me the best treatment for this. Because of this I always feel abnormal to everywhere 😔