Are long hair healthy? It is recommended to trim hair once every four months to maintain perfect hair health. Your long hair may be causing you to become sick more often than your short-haired friends. This is because each individual hair strand contains a much greater surface area than a hair-size patch of skin.

 

Are long hair healthy? It is recommended to trim hair once every four months to maintain perfect hair health. Your long hair may be causing you to become sick more often than your short-haired friends. This is because each individual hair strand contains a much greater surface area than a hair-size patch of skin.