To the naked eye, sebaceous filaments look like "tiny little black or tan dots," Dr. Zalka says, and they're roughly the size ...

Blackheads can appear just about anywhere but they are especially fond of your nose and other areas with a large number of oil-producing glands.

You may not always feel comfortable in a backless dress if you have bumps all over your back. But back acne or 'bacne' is not uncommon. They show up as white and red bumps due to the presence of ...