Avoid dryness, keep the skin hydrated by using pure cold pressed coconut oil and chemical free organic non-drying soaps. Coconut oil is one of the healthiest oils that one can use on skin due to its anti-microbial and anti-oxidant properties. It softens rough and dry skin. Sometimes it happened because of low copper levels in body. place water overnight in a copper vessel and drink it the first in morning. Do this for a month or two. Stay away from chemical based soaps and creams. Take nutritious diet Include more iron and calcium rich fruits and vegetables in it

It can be because of Anemia. Take Consultation Asap for the same