Why is my hair falling down?

my hair started to fall down this last days profusely.. and many people gave a lot of reasons.. and I'm really confused.. I stopped using shampoo (following an advice) and used many oils but still falling down.. I started to become a bald..
please I want a solution..
Updates
+1 y
okay thank you every one.. maybe I really need to visit my dermatologist.. and I will request minoxidil as prescribed..
thank you every one..
Why is my hair falling down?
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