Acne, also known as acne vulgaris, is a long-term skin disease that occurs when hair follicles are clogged with dead skin cells and oil from the skin.[10] It is characterized by blackheads or whiteheads, pimples, oily skin, and possible scarring.[1][2][11] It primarily affects areas of the skin with a relatively high number of oil glands, including the face, upper part of the chest, and back.[12] The resulting appearance can lead to anxiety, reduced self-esteem and, in extreme cases, depression or thoughts of suicide.[3][4]
Genetics is thought to be the primary cause of acne in 80% of cases.[2] The role of diet and cigarette smoking is unclear, and neither cleanliness nor exposure to sunlight appear to play a part.[2][13][14] In both sexes, hormones called androgens appear to be part of the underlying mechanism, by causing increased production of sebum.[5] Another frequent factor is excessive growth of the bacterium Cutibacterium acnes, which is normally present on the skin.[15]
Hypertrophic scars are uncommon, and are characterized by increased collagen content after the abnormal healing response.[32] They are described as firm and raised from the skin.[32][34] Hypertrophic scars remain within the original margins of the wound, whereas keloid scars can form scar tissue outside of these borders.[32] Keloid scars from acne occur more often in men and people with darker skin, and usually occur on the trunk of the body.[32]
Therefore, it is very important that you wear sunscreen everyday, with an SPF of 30.Of note, after SPF 30, there are decreasing marginal returns in UVB protection. TheĀ % of UVB protection as a function of SPF Value is a log graph and plateaus after SPF 30. Therefore, there is not much difference in protection between SPF 40 and 50. Sunscreens with an SPF 100 are banned in some countries.

A good way to lessen constant acne is to improve your lifestyle choices. Try to maintain a fresh and healthy diet, incorporating a lot of fresh fruits and nuts. Try your best to avoid dairy products and any packaged foods. The more fresh the food is, the better it is for your skin. Exercise is also a vital component in the maintenance of healthy skin. Try to complete some form of cardio for at least 30 minutes a day, 3-4 times a week. If none of this is successful, consider consulting a dermatologist.

Dapsone has shown efficacy against inflammatory acne but is generally not a first-line topical antibiotic due to higher cost and lack of clear superiority over other antibiotics.[1][15] It is sometimes a preferred therapy in women or for people with sensitive or darker toned skin.[15] Topical dapsone is not recommended for use with benzoyl peroxide due to yellow-orange skin discoloration with this combination.[10] While minocycline is shown to be an effective acne treatment, it is no longer recommended as a first-line antibiotic due to a lack of evidence that it is better than other treatments, and concerns of safety compared to other tetracyclines.[88]
Acne vulgaris is a chronic skin disease of the pilosebaceous unit and develops due to blockages in the skin's hair follicles. These blockages are thought to occur as a result of the following four abnormal processes: a higher than normal amount of oily sebum production (influenced by androgens), excessive deposition of the protein keratin leading to comedo formation, colonization of the follicle by Cutibacterium acnes (C. acnes) bacteria, and the local release of pro-inflammatory chemicals in the skin.[50]
Toothpaste is a good option if you have a mammoth pimple that you want to take care of quickly. It is effective because it contains silica, which is the same substance that can be found in bags of beef jerky to keep moisture out. As such, toothpaste has been know to dry out and reduce the size of pimples over night. Simply apply some to the affected area before sleep and wash it off in the morning.
The treatment regimen your doctor recommends depends on your age, the type and severity of your acne, and what you are willing to commit to. For example, you may need to wash and apply medications to the affected skin twice a day for several weeks. Often topical medications and drugs you take by mouth (oral medication) are used in combination. Pregnant women will not be able to use oral prescription medications for acne.
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