For this you have to know about your hair types, weather it is thick or thin or mix hair. When you are confident about your hair type then you can going to choice your shampoo an conditioner according to your hair care care issue.
No matter what you have always to select the thing and product about the hair that should be suitable for hair and should be of good quality. You ant to long your hair for this you have to cut your hair once in a month a little bit in inches for its better position.
You can treated your hair with some good herbal shampoos and other liquidize things. You always tie your hair after cutting it and then you have to tied it regulatory. Clean it regularly and the brush it up daily so the veins of your mind going to be fast and you the blood circulation become good. So you can fasten grow up your hair.
Always keep you hair oily but hair oil should be according to your hair type. When you will keep all these things in you mind you can definitely grownup your hair easily.