How to Grow and Thicken Your Eyebrows in 1 Week

If your thinning eyebrows are caused by one of these conditions, you should see your doctor to treat the cause.

Some nutrients can be very helpful in treating eyebrow thinning, if it is caused by vitamin or mineral deficiencies. Many supplements, such as vitamins A, E, D, iron, biotin or L-lysine, strengthen both hair and eyebrows.
Remember to adopt a healthy lifestyle, with a proper diet, physical activity and avoiding bad habits such as smoking, alcohol and excess cosmetic products.