I am a male, only 18 years old and starting back in elementary school my eyebrows have gotten less and less hair. Now its evolved to on both eyebrows only half being thick. It looks like half eyebrows, goes from normal looking to just bald. Is there anything i can do? It can be very embarrassing. I am not plucking or pulling my hair. They just keep getting thinner.
The most common cause of loss of eyebrow hair is plucking of the hair. I realize you said that you aren’t pulling or plucking, but many people who do pull out their hair (including eyebrows) deny that they do it. This is an obsessive compulsive disorder called trichotillomania. If the loss of eyebrows are not connected to plucking or pulling them, I wonder if you have any other hair loss or if it is limited to just your eyebrows.
Eyebrow transplants are an excellent solution for thin eyebrows. I have seen loss as your describe in the outer half of the eyebrow and have replaced the hair with scalp hair, which is very effective. Scalp hair in the eyebrows must be trimmed about twice a week to keep them short and they need to be cut on a slight angle to create a point to their ends.