Hydrocolloid patches help heal pimples by absorbing fluid and keeping bacteria out. Hydrocolloid patches do not work on blackheads, whiteheads, or cystic acne. Some hydrocolloid patches contain ...

If you struggle with acne, you’ve probably used your fair share of benzoyl peroxide and salicylic acid. However, when it comes to sensitive skin, irritation from strong actives can take a lot of ...

This story appears in the June 2013 issue of National Geographic magazine. The village chief, a wispy fellow with an easy smile and snowy muttonchops, came aboard James Cameron’s expedition ship in ...