Many skin conditions can mimic acne vulgaris, and these are collectively known as acneiform eruptions.[27] Such conditions include angiofibromas, epidermal cysts, flat warts, folliculitis, keratosis pilaris, milia, perioral dermatitis, and rosacea, among others.[19][72] Age is one factor which may help distinguish between these disorders. Skin disorders such as perioral dermatitis and keratosis pilaris can appear similar to acne but tend to occur more frequently in childhood, whereas rosacea tends to occur more frequently in older adults.[19] Facial redness triggered by heat or the consumption of alcohol or spicy food is suggestive of rosacea.[73] The presence of comedones helps health professionals differentiate acne from skin disorders that are similar in appearance.[8] Chloracne, due to exposure to certain chemicals, may look very similar to acne vulgaris.[74]
Antibiotics. These work by killing excess skin bacteria and reducing redness. For the first few months of treatment, you may use both a retinoid and an antibiotic, with the antibiotic applied in the morning and the retinoid in the evening. The antibiotics are often combined with benzoyl peroxide to reduce the likelihood of developing antibiotic resistance. Examples include clindamycin with benzoyl peroxide (Benzaclin, Duac, Acanya) and erythromycin with benzoyl peroxide (Benzamycin). Topical antibiotics alone aren't recommended.
Hydroquinone lightens the skin when applied topically by inhibiting tyrosinase, the enzyme responsible for converting the amino acid tyrosine to the skin pigment melanin, and is used to treat acne-associated postinflammatory hyperpigmentation.[34] By interfering with new production of melanin in the epidermis, hydroquinone leads to less hyperpigmentation as darkened skin cells are naturally shed over time.[34] Improvement in skin hyperpigmentation is typically seen within six months when used twice daily. Hydroquinone is ineffective for hyperpigmentation affecting deeper layers of skin such as the dermis.[34] The use of a sunscreen with SPF 15 or higher in the morning with reapplication every two hours is recommended when using hydroquinone.[34] Its application only to affected areas lowers the risk of lightening the color of normal skin but can lead to a temporary ring of lightened skin around the hyperpigmented area.[34] Hydroquinone is generally well-tolerated; side effects are typically mild (e.g., skin irritation) and occur with use of a higher than the recommended 4% concentration.[34] Most preparations contain the preservative sodium metabisulfite, which has been linked to rare cases of allergic reactions including anaphylaxis and severe asthma exacerbations in susceptible people.[34] In extremely rare cases, repeated improper topical application of high-dose hydroquinone has been associated with an accumulation of homogentisic acid in connective tissues, a condition known as exogenous ochronosis.[34]
Social Security number: If you chose to request credit, allowing you to make your payment by invoice, you may be required to provide your social security number on our website. Your social security number will be directly transferred and available only to our payment service provider, which will process your social security number to be able to obtain a credit report and to facilitate your payment. The legal basis is that the processing is necessary for us to ensure accurate identification of our customers for invoice purposes and to fulfill our contractual obligations to you under the purchase agreement. It is our policy to retain your social security number only as long as necessary for this purpose.
While you can certainly benefit from a great skin-care regimen, "in cystic acne, usually you need internal treatment," he says. "Topical medications usually don't work. Accutane is a great miracle cure for really bad cystic acne, but most people with cystic acne will improve with oral antibiotics — sometimes for two weeks, sometimes for three weeks."
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The recognition and characterization of acne progressed in 1776 when Josef Plenck (an Austrian physician) published a book that proposed the novel concept of classifying skin diseases by their elementary (initial) lesions.[163] In 1808 the English dermatologist Robert Willan refined Plenck's work by providing the first detailed descriptions of several skin disorders using a morphologic terminology that remains in use today.[163] Thomas Bateman continued and expanded on Robert Willan's work as his student and provided the first descriptions and illustrations of acne accepted as accurate by modern dermatologists.[163] Erasmus Wilson, in 1842, was the first to make the distinction between acne vulgaris and rosacea.[164] The first professional medical monograph dedicated entirely to acne was written by Lucius Duncan Bulkley and published in New York in 1885.[165][166]

The 2-in-1 product is intended for simultaneous care of the skin of the face and the whole body. The regular applying has an effective influence on the skin in the fight against acne. The curative effect is achieved due to the presence of Benzoyl Peroxide. The active substance reduces sebum production, minimizes the number of pimples, controls water balance, and reduces the risk of acne in the future.
Properly selected face cleanser will help rid your skin of bacteria that clog pores and multiply in them. High-quality face cleaning also removes dead skin cells, making acne treatment more effective. It will take a strong but gentle remedy to remove dirt without new irritations. Therefore, you should avoid abrasive scrubs and soaps for the face, which can deprive the skin of its natural oils and may cause the painful irritation.
Social Security number: If you chose to apply for credit, allowing you to make your payment by invoice, you may be required to provide your social security number on our website. Your social security number will be directly transferred and available only to our payment service provider, which will process your social security number to be able to obtain a credit report and to facilitate your payment. The legal basis is that the processing is necessary for us to ensure accurate identification of our customers for invoice purposes and to fulfill our contractual obligations to you under the purchase agreement. It is our policy to retain your social security number only as long as reasonably necessary for this purpose.
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