Hello
Hairfall is not linked with water you use to wash it. You can use normal tap water to wash your hair. Which shampoo you use for hairwash and how frequently you use it. There are many causes of hairfall so it is necessary to know the cause before starting treatmnet.
Next Steps
kindly send me the necessary details like your father and ur maternal uncle do have hairfall, any particular site from where hairfall occurs,.
Health Tips
kindly send me a clinical pic of ur hairfall. start with phytoral shampoo till then. do a direct consultancy if u want more and specified treatment.