<unk>  is most prevalent among athletes, soldiers in warm climates, teenagers and young adults. The athletes and soldiers can get rashes from their equipment and uniforms constantly rubbing their skin while sweating, which turn into<unk>  lesions. Men tend to be more prone to develop<unk>  because they produce more oil (also known as sebum) in their glands, even though their glands are actually smaller than women's. This is also a reason why men's<unk>  tends to remain a problem for longer once its developed.<unk>  in general is hereditary from parents to child, so genetics play a factor as well. People who already have<unk>  and have a problematic skin type that tends to create clogged pores are more likely to develop<unk>  as well.
Acne mechanica
Calcinosis cutis
Crepitus
Acne cosmetica
Traumatic calcinosis cutis
Wrinkly skin syndrome
Limb–mammary syndrome
Dandruff