Acne vulgaris, the most common form, is usually associated with adolescence but may also occur in adults. This results primarily from hormonal changes taking place in the body; the hormones stimulate sebum production. Other contributing factors include stress, drugs, bacteria, and certain foodstuffs. A severe form of the disorder is known as acne conglobata, which may result in scarring. Other forms of acne are also observed, such as chloracne, caused by chlorinated compounds. In acne rosacea, the capillaries in the cheeks, forehead, and nose are swollen with blood, and the oil glands in the skin become infected. Severe acne in adults may be a sign of an underlying endocrine disorder. Good beauty tips for teenagers can be helpful in an awkward age, which is a dangerous period for teenagers as well as for their parents. It is especially hard for parents to see their teenage daughters torture themselves with a diet, trying to look like real fashion models. Nearly twenty-five percent of fifteen-year-old girls, according to statistics, have picked up beauty tips for teens in form of different diets. Most of them never suffering from surplus weight. The weight of twenty six percent of teenagers following a diet isn`t excessive, while the weight of eight percent of them is below the minimum. If in early tens only forty four percent of girls stick to diets, beginning from fifteen-year old level, the number of teenagers following diet for teens amounts to seventy percent. The research has covered more than two thousand teenagers from Glasgow aged from eleven to fifteen years. According to the results of the research, children were concerned about their weight. Experts determined body index (BMI) - a ratio between age and weight to indicate normal weight for a child of certain age. It was revealed that there is a huge difference between normal weight and real weight of the respondents. In comparison with boys, girls are more concerned about their weight. This research results are published in Journal of Epidemiology and Community Health. If you suffer from overweight there are several options for you depending on your health's condition. Say, you would like to lose eight pounds. It is not easy to get rid of it, as you might think. There are some good beauty tips for teens, a package of methods to loose weight, that includes a diet for teens and exercises for teens. First of all, you need to be very patient and calm about your weight, because additional weight comes often from nervous disorders. A motivation for losing weight is also very important. But we strongly recommend to inform your parents about your plans, or get in touch with health care professionals, because you may japardise your health. So, if you want to grow your muscles, while losing weight, follow beauty tips for teens and a successful diet for teens. Additional beauty tips for teens are following: do exercises for teens if you want to lose weight. There exists a grapefruit diet for teens that assures ten pounds weight loss in dozen days. It implies three times meal a day with a snack before going to bed. The point is that grapefruit intensifies fat burning process and is very good for blood purification. A teenage dieter should drink no less than eight ounces of sugarless grapefruit juice. For breakfast, diet consists of a grapefruit, two eggs and two slices of bacon. For lunch, - again a grapefruit with a salad that you prefer and some fish. For dinner one can add a cup of coffee or tea and for a bedtime snack you can drink a glass of milk containing no fat. Physical activities play a very important part of beauty tips for teens when it comes to losing weight. Swimming is a very good option, since it stimulates cardiovascular and nerves system.