Hi my baby 4 month old age...mere baby ka color day by day dark ho rha hai..Pehle toh eske color acha tha..but ab day by day dark ho rha hai..before bathing eski main mustard oil se massage krti hoon..khi mustard oil ki wjha se toh nhi ho rha..main eski skin pr koi soap use nhi krti..means koi bi product use ni krti