What to do:
1. Peel 2 red onions and chop into pieces.
2. Blend and squeeze out the juice.
3. Apply the juice to your scalp and leave for 15 minutes.
4. Rinse with mild shampoo.
5. Repeat this process once a week until desired hair growth is achieved.
Why it works:
Onion juice is very rich in sulphur, which boosts collagen production in your tissues and helps in regrowing hair. This is a very old and effective home remedy for hair growth.