my sister baby is 2 month old. she was born with fair color but now her complexion is darkening. will her color will be dull even her hands and legs are fait

A. Maybe your sister-in-law is using some product on to the fair that she’s not using on the body and a product is not and shooting and probably which is why the complexion of the face is becoming a little dark sun this case you need to check for all the sings