Globally, acne affects approximately 650 million people, or about 9.4% of the population, as of 2010.[157] It affects nearly 90% of people in Western societies during their teenage years, but can occur before adolescence and may persist into adulthood.[19][20][23] While acne that first develops between the ages of 21 and 25 is uncommon, it affects 54% of women and 40% of men older than 25 years of age,[47][158] and has a lifetime prevalence of 85%.[47] About 20% of those affected have moderate or severe cases.[2] It is slightly more common in females than males (9.8% versus 9.0%).[157] In those over 40 years old, 1% of males and 5% of females still have problems.[20]
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Even better than one stand-alone cream is a multipronged combination of acne treatments. “A good place to start is to use a combination of salicylic acid, benzoyl peroxide, and a topical retinoid,” says Joshua Zeichner, the director of cosmetic and clinical research in dermatology at Mount Sinai Hospital. “Salicylic acid helps remove excess oil from the surface of the skin and exfoliate the dead cells, while benzoyl peroxide kills acne-causing bacteria and helps reduce inflammation.”
Skin care clinics and dermatologists across the country offer laser skin treatments for acne scar removal, but is it worth it? The best way to determine which laser acne scar treatment is right for you is to get different professional opinions about which type is best for your skin, and compare pricing, expected recovery time and reviews. Here's how a few laser treatments work for acne scar removal:

Perioral dermatitis Granulomatous perioral dermatitis Phymatous rosacea Rhinophyma Blepharophyma Gnathophyma Metophyma Otophyma Papulopustular rosacea Lupoid rosacea Erythrotelangiectatic rosacea Glandular rosacea Gram-negative rosacea Steroid rosacea Ocular rosacea Persistent edema of rosacea Rosacea conglobata variants Periorificial dermatitis Pyoderma faciale
Cystic Acne: The most severe type of acne, cystic acne requires dermatological care and prescription acne medication to treat. Even the best acne products available over the counter are no match for this painful condition in which the area of the outbreak becomes inflamed, but not infected. Cystic acne can result in permanent scarring. However, it's important to know that all acne lesions can scar. Scarring is related to size, amount of inflammation, genetics and delay in therapy.
Fractional laser treatment is less invasive than ablative laser treatment, as it targets only a fraction of the skin at a time. Fractional lasers penetrate the top skin layers, where its light energy stimulates collagen production and resurfaces the top layer of the epidermis. Treatments typically last between 15 and 45 minutes and effects become visible in 1 to 3 weeks.

Genetics play a big part in who gets acne and how severely, but each blemish can be blamed on some combination of sebum production, a bacteria called Propionibacterium acnes (P. acnes), plugged follicles, and inflammation. Finding a good treatment is really about finding the right combination of ingredients to troubleshoot each of those issues. Some factors that might worsen acne include hormones, certain medications, diet and stress.
Hormonal treatments for acne such as combined birth control pills and antiandrogens may be considered a first-line therapy for acne under a number of circumstances, including when contraception is desired, when known or suspected hyperandrogenism is present, when acne occurs in adulthood, when acne flares premenstrually, and when symptoms of significant sebum production (seborrhea) are co-present.[127] Hormone therapy is effective for acne even in women with normal androgen levels.[127]
Italiano: Curare l'Acne Infantile, Русский: избавиться от прыщей на коже ребенка, 中文: 治疗婴儿痤疮, Português: Tratar Acne em Bebê, Nederlands: Acne bij baby's behandelen, Bahasa Indonesia: Mengobati Jerawat Bayi, Français: soigner l'acné d'un bébé, Español: tratar el acné del bebé, Deutsch: Babyakne behandeln, Čeština: Jak se zbavit dětského akné, العربية: التخلص من حبوب وجه الرضع
Contrary to popular belief, acne isn't caused by a harmful diet, poor hygiene, or an uncontrolled sex drive. The simple truth is that heredity and hormones are behind most forms of acne. Swearing off chocolate or scrubbing your face 10 times a day won't change your predisposition to this unsightly, sometimes painful, and often embarrassing skin problem.
Retinoids and retinoid-like drugs. These come as creams, gels and lotions. Retinoid drugs are derived from vitamin A and include tretinoin (Avita, Retin-A, others), adapalene (Differin) and tazarotene (Tazorac, Avage). You apply this medication in the evening, beginning with three times a week, then daily as your skin becomes used to it. It works by preventing plugging of the hair follicles.
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