3. Repeat the treatment once or twice a week to see results.
4. Onion is rich in sulfur, which promotes healthy hair growth.
5. The mask can help reduce hair fall and breakage.
6. The antibacterial properties of onion can also help soothe an itchy scalp.
7. You can add honey or yogurt to the mask for added moisturizing benefits.
8. Be sure to do a patch test before using the mask to check for any allergic reactions.