Hi
This is a form of hand eczema ( pompholyx)
Home remedies may include coconut oil / thick Vaseline / moisturizer
But this is not the cure. You need some ointments for it to improve and it's better to consult a dermatologist.
Next Steps
consult online for effective treatment
Health Tips
avoid soap/ detergent and acidic juices while cooking like lemon, tomato ,onion.
use a pair of gloves while washing vessels or food
avoid repeatedly washing hands as it dries out hands and worsens condition