The keratin made by the hair follicle cells makes long fibers. The cells, growing just under the scalp, eventually die, leaving the keratin behind. This keratin, combined with the keratin left by many other cells, emerge from your scalp as hair.
It is because You are being hygienic and active which makes your hair healthy and makes it grow.
Yes broccoli makes your hair grow
no i don't think braiding your hair makes it grow faster i know mine grows the same no matter what
No
Eating lots of protein makes hair grow faster and makes it healthier and stronger. The reason for this is that hair is made of protein.
biotin
no
calcium
NO
The Hair Cells :P
Because hot air makes heat and makes you hair darker , so cool and cold air makes your hair cooler and grow fast to get you warm for next winter
fish oil helps it grow faster, but it also makes your hair everywhere else grow