If you want to get long hairs within a number of days, here are the some tricks which you can follow:-
1. Eat healthy and balanced diet as per your daily routine.
2. Use castor oil on your hairs, it will help to make your hair grow naturally.
3. Massage your scalp once in a week, It helps to promote blood flows to the scalp.
4. Flip your hair upside down around 3-4 minutes, It improve blood circulation.
5. you can apply egg mask on your hairs, It helps to get shining and smooth hair and It is highly beneficial to promote hair growth.