Check your Vit D level , deficiency of it also causes hairfall , you can take Vit D supplement after consulting with your doctor , regarding shampoo you can try Anveya shampoo , it's mild and good , I am using it .

Include protein rich diet and avoid chemicals loades hair products. I am also using ThriveCo hair regrowth serum. It helps to control hair fall and promotes growth of baby hair. I am using ThriveCo hair vitalizing shampoo to clean my scalp

You should try using Thrive co's hair growth serum and hair vitalizing shampoo. The serum helps in hair regrowth and you can use it daily. The shampoo makes the hair strong and healthy. I use twice a week for best results. You should definitely try both of them.