It seems Eczema or psoriasis it's recoverable but need proper case taking from you like
1) how long you have been suffering from this
2)It appear only in hand or affected other region also.
3)What symptom you have like itching, flaking of skin, any discharge?
Family history personal history.
Next Steps
Book online consultation with me I can treat it definitely by the help of Homoeopathic treatment I already treat many patients with same condition.
Health Tips
apply Cocconut oil 3 times a day , keep moisturise As much possible.