Trivia #3: 'The causes of acne are different for children and adults' You might have a strong image that 'acne = something that happens during middleschool and high school.' However, many people still struggle with acne even after becoming adults. Moreover, adult acne can sometimes hide unexpected health issues. During puberty, increased sebum production clogs pores, causing whitish acne. This can become inflamed, redness and swelling appear around the pores, and in more seve