Applying castor oil on eyebrows can really help in making them thick.
2.Aloe Vera Gel
Aloe vera gel is a proven remedy for thick brows. Besides boosting up the growth of your eyebrows, it also helps in softening and adding shine to the skin around the brow.
Yes, onion juice is a little bit stinky, but an awesome remedy for broadening your eyebrows! Put a cotton ball, soaked in onion juice, on your eyebrows and leave it for 10-15 minutes. Then, use cold water to rinse off.