AdinaP
03-14-2011, 09:09 AM
1. Hypersecretion of sebaceous glands - sebaceous glands are located deep inside the skin. Each of them is "connected" with a narrow channel, called follicle, which is a hair. These glands produce an oily secretion known as sebum, which spreads to the skin surface through hair follicles, which lubricates them - and the action of the portion of skin surrounding each follicle separately. Each follicle has an external opening (at skin surface), called gates. The size of sebaceous glands is variable, the largest being associated with visible pores of the skin. Sebaceous glands are stimulated by hormones to secrete sebum - especially by male hormones called androgens that (which is also found in the woman's body, but, naturally, at a rate much lower than for men). These hormones are produced by the ovaries, testes respectively. Also, both the woman's body, and the male, androgens are produced by the adrenal glands. In periods marked by stress, these glands secrete a greater amount of androgens, causing the sebaceous glands and hypersecretion. Also, puberty, sebaceous glands are overactive, as a result of hormonal changes in the body that occur.
2. Blocking pores - as a result of hypersecretion of sebaceous glands, the skin acquires a glossy appearance, being "oily" to the touch. Acne occurs when pores (through which sebum - from the sebaceous glands to the skin surface) become blocked and the sebum secretion remains captive. The pores are blocked by an aggregate composed of dead cells and seborrhea. The cause of this blockage is unknown, but it is not the consequence of poor hygiene. The blocked pore, it will develop a white or black point.
3. Bacterial infection - although acne is not caused by a bacterial infection, bacteria worsens the situation. Propionibacterium acnes bacteria normally found in the skin, acting as a barrier to protect skin against other harmful bacteria. When the secretion of sebum is "trapped" in the follicles, increased intake of Propionibacterium acnes bacteria in the blocked pore. Bacteria produce a number of harmful chemicals that attack the skin, causing inflammation and aggravating the irritation.
4. Inflammation of skin is accompanied by symptoms such as redness, discomfort and heat of the skin. Inflammation occurs as a result of the immune system trying to reject a foreign substance - in this case either bacteria or irritating components of these products.
These four factors contribute to blocked pores, which is manifested by blackheads, white respectively, of pimples (known under the name of baskets) and cysts. Blackheads are formed when pores are blocked near the skin surface. The rule was not inflamed, and their color is due to a black pigment - and not waste deposited in the pores.
Whiteheads develop as a result of pore blockage occurred in depth. In absence of drainage ways, sebum accumulates in the skin, thus forming white or colored dots. Unlike blackheads, whiteheads shows a high probability of leading to pimples.Pustules (pimples) appear locked when the follicle wall ruptures. Sebum, dead skin cells and bacteria normally found in the skin and irritate the skin enter the interior, forming small sore. Cysts are those greater inflammation, red, lying deeper into the epidermis, indicating an infection located in a more advanced stage.
Other factors contributing to the worsening of acne:
1. Malnutrition - those who consistently eat chocolate, snacks and, in general, fast-food foods are more susceptible to acne. On the other hand, from a research project undertaken by a team of nutritionists from abroad, it was concluded that people whose daily diet consists mainly of fruits, vegetables, fish and lean meat do not show symptoms of acne. Nutrition experts recommend a diet low in fat as cereals, bread and sweets. Increasing the amount of sugar in the blood, which occurs due to high consumption of foods mentioned, has as a consequence of changes in hormonal stimulation is the "preview" of acne;
2. An important factor is the hereditary acne;
3. Stress is "responsible" sometimes acne. Changes in the hormone may occur due to stress and hormones are those that stimulate the sebaceous gland activity. There is a risk that people will opt for an inappropriate treatment of acne, simply because they have not detected the true cause, which may aggravate the situation;
4. Sweating condition seems to worsen acne in 15% of cases. Also, moisture, and tight clothing can aggravate them;
5. Cosmetic products can cause irritation of the pores which swell and become blocked. It is recommended that cosmetic products do not contain oils, but sometimes even these are harmful for sensitive skin.
2. Blocking pores - as a result of hypersecretion of sebaceous glands, the skin acquires a glossy appearance, being "oily" to the touch. Acne occurs when pores (through which sebum - from the sebaceous glands to the skin surface) become blocked and the sebum secretion remains captive. The pores are blocked by an aggregate composed of dead cells and seborrhea. The cause of this blockage is unknown, but it is not the consequence of poor hygiene. The blocked pore, it will develop a white or black point.
3. Bacterial infection - although acne is not caused by a bacterial infection, bacteria worsens the situation. Propionibacterium acnes bacteria normally found in the skin, acting as a barrier to protect skin against other harmful bacteria. When the secretion of sebum is "trapped" in the follicles, increased intake of Propionibacterium acnes bacteria in the blocked pore. Bacteria produce a number of harmful chemicals that attack the skin, causing inflammation and aggravating the irritation.
4. Inflammation of skin is accompanied by symptoms such as redness, discomfort and heat of the skin. Inflammation occurs as a result of the immune system trying to reject a foreign substance - in this case either bacteria or irritating components of these products.
These four factors contribute to blocked pores, which is manifested by blackheads, white respectively, of pimples (known under the name of baskets) and cysts. Blackheads are formed when pores are blocked near the skin surface. The rule was not inflamed, and their color is due to a black pigment - and not waste deposited in the pores.
Whiteheads develop as a result of pore blockage occurred in depth. In absence of drainage ways, sebum accumulates in the skin, thus forming white or colored dots. Unlike blackheads, whiteheads shows a high probability of leading to pimples.Pustules (pimples) appear locked when the follicle wall ruptures. Sebum, dead skin cells and bacteria normally found in the skin and irritate the skin enter the interior, forming small sore. Cysts are those greater inflammation, red, lying deeper into the epidermis, indicating an infection located in a more advanced stage.
Other factors contributing to the worsening of acne:
1. Malnutrition - those who consistently eat chocolate, snacks and, in general, fast-food foods are more susceptible to acne. On the other hand, from a research project undertaken by a team of nutritionists from abroad, it was concluded that people whose daily diet consists mainly of fruits, vegetables, fish and lean meat do not show symptoms of acne. Nutrition experts recommend a diet low in fat as cereals, bread and sweets. Increasing the amount of sugar in the blood, which occurs due to high consumption of foods mentioned, has as a consequence of changes in hormonal stimulation is the "preview" of acne;
2. An important factor is the hereditary acne;
3. Stress is "responsible" sometimes acne. Changes in the hormone may occur due to stress and hormones are those that stimulate the sebaceous gland activity. There is a risk that people will opt for an inappropriate treatment of acne, simply because they have not detected the true cause, which may aggravate the situation;
4. Sweating condition seems to worsen acne in 15% of cases. Also, moisture, and tight clothing can aggravate them;
5. Cosmetic products can cause irritation of the pores which swell and become blocked. It is recommended that cosmetic products do not contain oils, but sometimes even these are harmful for sensitive skin.