The Science of Acne Blog Posts

  • Antibiotic Susceptibility of Propionibacterium acnes
    on Jan 23, 2011 in Acne
    For the last forty years, physicians and researchers have been screening the susceptibility of the acne causing bacteria, Propionibacterium acnes, to commonly used types of antibiotics. The results from these studies clearly demonstrate that over tim...
  • Q: Is acne caused by eating chocolate, ice cream or any other particular food?
    on Dec 27, 2010 in Acne
    Answer: Not exactly. One of the most commonly held ideas is that the food one eats is directly responsible for the frequency and severity of their acne breakouts. But is this assumption really true? Based on both the abundant research and a constantl...
  • Q: What is Propionibacterium acnes?
    on Dec 27, 2010 in Acne
    Answer: Propionibacterium acnes is a bacteria that resides in the hair follicle and is the primary pathogenic agent responsible for acne vulgaris. While Propionibacterium acnes is usually the causative agent of acne, other bacteria (e.g. Staphylococ...
  • Q: What is the relationship between pregnancy and acne?
    on Dec 27, 2010 in Acne
    Answer: Hormones. Hormones can play a major role in acne vulgaris, and pregnancy involves large changes in hormonal balance. During pregnancy, women produce increasing amounts of the female hormones progesterone and estrogen. In addition, blood sugar...
  • Q: Is acne caused by dirt or not washing my face enough?
    on Dec 27, 2010 in Acne
    Answer: Not really. In most acne lesions (pimples, nodules, cysts, etc.), the site where the infection and inflammation occurs is physically separated from the surface of the skin. It is also a largely anaerobic environment (low oxygen), and it has a...
  • Q: Can stress cause acne?
    on Dec 27, 2010 in Acne
    Answer: Most likely. It is well known that putting an organism under stress makes it more susceptible to infection. This is true not only for humans, but for other animals and even plants. The same neural and biochemical pathways that make stress fee...
  • Q: What causes acne?
    on Dec 27, 2010 in Acne
    Answer: Several factors can contribute to acne. There isn’t really a simple answer to this question, which is probably how so many incorrect answers get taken seriously. To make sense of the basic causes of acne it helps to break down the discu...
  • Q: Is acne different between men and women?
    on Dec 27, 2010 in Acne
    Answer: Yes, and it largely comes down to hormones. Men and women tend to experience acne differently. Men are more likely to develop acne during puberty and are more likely to develop severe and inflammatory forms of the disease. Acne symptoms tend...
  • Q: What does non-comedogenic mean?
    on Dec 27, 2010 in Acne
    Answer: Comedogenicity refers to the potential of a substance to cause a comedo, which is a plugged pore (comedo). Non-comedogenic means that in testing, the substance or product has not been shown to cause comedos, or acne. Some substances, like coa...
  • Q: Is popping a pimple bad idea?
    on Dec 27, 2010 in Acne
    Answer: It can be, especially if done improperly. Some pimples and other acne lesions should be popped, to remove the pus and pressure, and accelerate healing. The nodules and cysts of those patients who suffer from severe inflammatory acne are often...
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