Dry skin in scrotum, itchy, it hurts and it the skin is scaly. i can't get rid of it it keeps coming back?

Soap & emollient: Try changing your soap to a simpler one. Try a small amount of an emollient like vaseline. Use it sparingly to see what the results are. If that does not help, it would be prudent to see a doctor for an in-person evaluation. Have a healthy diet, exercise 30 minutes/day, drink plenty of water daily so your urine is mostly colorless, have safe sex, no tobacco alcohol weed or street drugs.