The husband in the winter head rotting under the cap, plus the stress - as a result of the head skin became climb literally flakes started falling hair. It was something terrible. We ordered biotin, saw its full course - help. Moreover, quite often happens before a rash on the face and on the back, and they disappeared after biotin, skin cleared. Who ordered another 2 bottles, one for him to fix the result, the second me, nourish hair, nails and skin. It is not just biotin called the "beauty vitamin"))