Onion works like magic when it comes to hair growth. It also majorly helps in hair fall problems. Onion has a high concentration of sulfur which helps with a number of hair conditions. Using Onion for your hair can drastically reduce hair fall and promote healthy hair growth. It's personally helped me a lot .

 Please do not apply onion if you are allergic to it and also a patch test is recommended
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• Onion Juice can be used as an after wash solution which helps to make the hair strong. All you need is 1 tablespoon of onion juice and 1-liter warm water. Now add the onion juice to the warm water and use this mixture as the final rinse after you shampoo. This can be done at least thrice a week easily. This would also make the ends really smooth.
• Onion Juice can be easily be used as a hair pack   , Just mix 1 tablespoon of onion with a little bit of curd and apply this all over your hair, Keep it for at least 30 minutes and then follow up with washing your hair with a mild shampoo. You can easily do this thrice a week. Its a beautiful hair mask that will strengthen your hair and help hair growth.