Before suggesting anything, I would like to know any stressful events that you have been through in the past 2 to 3 months like COVID-19, exams, emotional stress, etc.
Kindly book a direct consultation to look into the same.
Untill then, you can try taking biotin supplements and check your shampoo ingredients once.
Health Tips
if you suffer from dandruff, treat it first with some keto shampoo.