Im 15 years of age.im frequently losing my hair which is leadin to thinning of my hair...is it due to hormonal changes??..one of the doctor suggested me to use nizral frm johnson & johnson..i even hav dandruff on my scalp..whenever i scratch my scalp..i can see some brownish particles under my nails...i guess they are dandruff...plz suggest me something..i dont want to lose my remainin hair.!