A skin condition that occurs when hair follicles plug with oil and dead skin cells. Acne is most common in teenagers and young adults. Symptoms range from uninflamed blackheads to pus-filled pimples or large, red and tender bumps. Treatments include over-the-counter creams and cleanser, as well as prescription antibiotics.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.