Hi... you might wanna try some of the remedies suggested in this article https://sg.theasianparent.com/6-natural-remedies-for-postpartum-hair-loss
It's common(: Other than changing shampoo maybe you can cut your short for now. It'll get better
Hi, You can also give Trichoderm shampoo a try
I use trichoderm and it worked. U can try.
Cut your hair short