Acne vulgaris Acne conglobata Acne miliaris necrotica Tropical acne Infantile acne/Neonatal acne Excoriated acne Acne fulminans Acne medicamentosa (e.g., steroid acne) Halogen acne Iododerma Bromoderma Chloracne Oil acne Tar acne Acne cosmetica Occupational acne Acne aestivalis Acne keloidalis nuchae Acne mechanica Acne with facial edema Pomade acne Acne necrotica Blackhead Lupus miliaris disseminatus faciei
Benzoyl Peroxide – A strong compound that kills the bacteria that causes acne1. It also gets rid of excess oil and the build-up of dead skin cells which clog your pores. This ingredient is exceptionally strong, and it can cause some side effects like redness, dry skin, burning or stinging and scaling. You’ll only find it in products at 2.5% to 10% strength. However, dermatologists recommend that adults stick to a low-dose of benzoyl peroxide, at around 3% for minimal irritation and to avoid bleaching your skin, hair or clothing.
Cons: This is not actually a con, but their face wash is part of a comprehensive acne treatment system that effectively treats your skin while helping you save a bundle on the products that should be part of your skincare routine for best results. They have the best guarantee we have seen so far anywhere and you can read our review of the complete Exposed Skin Care kit here.
It's a common misconception that those with oily skin shouldn't moisturize. Be sure you're treating your entire face to a full routine and not solely relying on spot treatments to battle your breakouts. If your acne comes with a side of oil, this is your best bet for a daily moisturizer. It contains panadoxine, a vitamin B6 derivative that improves skin’s overall healthy balance by visually minimizing pore size and shine.
For example, if you have acne on dry skin, you need something gentle enough to cleanse and exfoliate but not dehydrate, like a Neutrogena cleanser. If you have oily skin, you’re looking to exfoliate and combat oil production with a product like Cetaphil. If you have combination skin, you need something that can treat your unique skin and balance it out, like Exposed Skin Care.
The relationship between diet and acne is unclear, as there is no high-quality evidence that establishes any definitive link between them.[51] High-glycemic-load diets have been found to have different degrees of effect on acne severity.[7][52][53] Multiple randomized controlled trials and nonrandomized studies have found a lower-glycemic-load diet to be effective in reducing acne.[52] There is weak observational evidence suggesting that dairy milk consumption is positively associated with a higher frequency and severity of acne.[50][51][52][54][55] Milk contains whey protein and hormones such as bovine IGF-1 and precursors of dihydrotestosterone.[52] These components are hypothesized to promote the effects of insulin and IGF-1 and thereby increase the production of androgen hormones, sebum, and promote the formation of comedones.[52][56] Available evidence does not support a link between eating chocolate or salt and acne severity.[51][54] Chocolate does contain varying amounts of sugar, which can lead to a high glycemic load, and it can be made with or without milk. Few studies have examined the relationship between obesity and acne.[2] Vitamin B12 may trigger skin outbreaks similar to acne (acneiform eruptions), or worsen existing acne, when taken in doses exceeding the recommended daily intake.[57] Eating greasy foods does not increase acne nor make it worse.[58][59] One review linked a Western pattern diet, high in simple carbohydrates, milk and dairy products, and trans fats and saturated fats, along with a low omega-3 fatty acids, with acne.[56]
Hypertrophic scars are uncommon, and are characterized by increased collagen content after the abnormal healing response.[31] They are described as firm and raised from the skin.[31][33] Hypertrophic scars remain within the original margins of the wound, whereas keloid scars can form scar tissue outside of these borders.[31] Keloid scars from acne occur more often in men and people with darker skin, and usually occur on the trunk of the body.[31]
The best acne treatment system will include a cleanser, exfoliant and a treatment product that can be used daily. The idea is to have a product that cleans and clears clogged pores, kills bacteria, exfoliates to remove dead cells and spot treats trouble spots to combat stubborn blemishes and reduces inflammation and redness. For those with oily skin, a toner may be useful. For those with black heads, deep cleansing pore strips will help. If you have dry skin, foaming face wash would be something you want to avoid. The point is, a carefully tailored system is the best approach to an effective acne treatment.

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P. acnes also provokes skin inflammation by altering the fatty composition of oily sebum.[44] Oxidation of the lipid squalene by P. acnes is of particular importance. Squalene oxidation activates NF-κB (a protein complex) and consequently increases IL-1α levels.[44] Additionally, squalene oxidation leads to increased activity of the 5-lipoxygenase enzyme responsible for conversion of arachidonic acid to leukotriene B4 (LTB4).[44] LTB4 promotes skin inflammation by acting on the peroxisome proliferator-activated receptor alpha (PPARα) protein.[44] PPARα increases activity of activator protein 1 (AP-1) and NF-κB, thereby leading to the recruitment of inflammatory T cells.[44] The inflammatory properties of P. acnes can be further explained by the bacterium's ability to convert sebum triglycerides to pro-inflammatory free fatty acids via secretion of the enzyme lipase.[44] These free fatty acids spur production of cathelicidin, HBD1, and HBD2, thus leading to further inflammation.[44]
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 Propionibacterium acnes, which is normally present on the skin.[5]
Comedones (blackheads and whiteheads) must be present to diagnose acne. In their absence, an appearance similar to that of acne would suggest a different skin disorder.[27] Microcomedones (the precursor to blackheads and whiteheads) are not visible to the naked eye when inspecting the skin and can only be seen with a microscope.[27] There are many features that may indicate a person's acne vulgaris is sensitive to hormonal influences. Historical and physical clues that may suggest hormone-sensitive acne include onset between ages 20 and 30; worsening the week before a woman's period; acne lesions predominantly over the jawline and chin; and inflammatory/nodular acne lesions.[1]

Genetics can also affect how your immune system works. When confronted with bacteria, your skin might erupt in painful red lumps called pustules while someone else might just get a blackhead. Or maybe your friend has sensitive skin that breaks out more often than yours does. Your family history has a lot to do with the type of skin you have and how it looks and feels.

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The three-piece set doesn’t come with a sun protection treatment, but Paula’s Choice has one in the line, the Clear Ultra-Light Daily Fluid SPF 30+. “Sun protection is really important, especially with acneic skin,” says Townsend. “In many cases, stronger acne products can make the skin photosensitive to the sun.” This isn’t your normal gloppy white sunscreen. Its fluid formula slips over tender skin, doesn’t need a ton of rubbing in, and also leaves a mattifying finish.
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However, unlike the previously discussed treatment options, gender plays a role in how effective dapsone will be. Research has shown11 that female patients who use it get a much better response than male patients. It’s also a slow-working treatment. Studies among adolescents have shown that it is very effective, but it may take up to 12 weeks for improvements to show up, with more improvements taking place with continued use.
Topical and oral preparations of nicotinamide (the amide form of vitamin B3) have been suggested as alternative medical treatments.[134] It is thought to improve acne due to its anti-inflammatory properties, its ability to suppress sebum production, and by promoting wound healing.[134] Topical and oral preparations of zinc have similarly been proposed as effective treatments for acne; evidence to support their use for this purpose is limited.[135] The purported efficacy of zinc is attributed to its capacity to reduce inflammation and sebum production, and inhibit P. acnes.[135] Antihistamines may improve symptoms among those already taking isotretinoin due to their anti-inflammatory properties and their ability to suppress sebum production.[136]
It is widely suspected that the anaerobic bacterial species Propionibacterium acnes (P. acnes) contributes to the development of acne, but its exact role is not well understood.[2] There are specific sub-strains of P. acnes associated with normal skin, and moderate or severe inflammatory acne.[49] It is unclear whether these undesirable strains evolve on-site or are acquired, or possibly both depending on the person. These strains have the capability of changing, perpetuating, or adapting to the abnormal cycle of inflammation, oil production, and inadequate sloughing of dead skin cells from acne pores. Infection with the parasitic mite Demodex is associated with the development of acne.[29][50] It is unclear whether eradication of the mite improves acne.[50]

Protect your skin. Skin care doesn't end when you leave your bathroom. Wear a noncomedogenic (non-pore clogging) sunscreen with an SPF of 30 or more that offers both UVA and UVB protection to shield your sensitive skin against the sun's harsh rays. A water- or light liquid-based sunscreen is best for acne-prone skin. Limit your time in the sun, especially between the hours of 10 a.m. and 2 p.m. While outside, wear a hat with at least a 2-inch brim and clothing to cover exposed skin.
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