How to stop hair loss problems?

I’m 15 and used to straighten the hair for about 2 months. I’m experiencing that there is a bit ‘of my hair falling out every time I sleep And every time I straightened my hair now. I am using some “defense of heat” and I use the hair styling wax V05 after straightening. I used the shampoo and hair ispessimentoQuindi, pls help me guys because im not really sure if its my hormones or all of the things that I used for my capelli.Grazie.

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