Good for preventing hair loss.

There are things like food, massage scalp lotion, or shampoo, you know.

Are there any people who have done that and seen results?

My father was okay, but my grandfather's forehead has gradually widened, like hair loss. My husband seems to be gradually widening his forehead now.

It has definitely become wider than before marriage.

Doing these things won't make your hair grow back, but

Can it be prevented?