Hi...Md.Muzammil.,
Thanks for choosing HCM.,
There is no relation between your sex and colour of the Hairs..,
Colour and hairs ditribution completely depend upon.,
Genetic invovment..depend on coding of genetic material on the ..,
Chromosomes only determine the colour and texture of hairs..,
Your SEXUAL activity and desires totally depend on your..,
Hormonal levels and activity..ok.
There is also no relation of
knee pain ,
back pain sound in the left knee..,
It could be from ...
Rheumatoid arthritis or Gout..,
So go for uric acid levels in the body and try to exclude it.,
The best way to black your chin and mustach hair...by
dyeing and hennaying of your hairs...ok...good luck