After a strange situation I went through, it is called seborrheic dermatitis! I lost a lot of hair from my head, and with the combination of thinning, I visited a dermatologist who recommended these specific vitamins and along with a foam, I have seen visible results... I am undergoing a 33-day treatment and I am waiting to see the results at the 3-month mark and I will write again! I highly recommend it! But make sure to visit a dermatologist... because I went after two months and it was late, that's the truth