The approach to acne treatment underwent significant changes during the twentieth century. Retinoids were introduced as a medical treatment for acne in 1943.[83] Benzoyl peroxide was first proposed as a treatment in 1958 and has been routinely used for this purpose since the 1960s.[168] Acne treatment was modified in the 1950s with the introduction of oral tetracycline antibiotics (such as minocycline). These reinforced the idea amongst dermatologists that bacterial growth on the skin plays an important role in causing acne.[164] Subsequently, in the 1970s tretinoin (original trade name Retin A) was found to be an effective treatment.[169] The development of oral isotretinoin (sold as Accutane and Roaccutane) followed in 1980.[170] After its introduction in the United States it was recognized as a medication highly likely to cause birth defects if taken during pregnancy. In the United States, more than 2,000 women became pregnant while taking isotretinoin between 1982 and 2003, with most pregnancies ending in abortion or miscarriage. About 160 babies were born with birth defects.[171][172]

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.
Baby acne is a common condition that affects many babies within several weeks to several months of age. Most pediatricians agree that the best treatment for baby acne is nothing at all, since the condition is natural and will clear up quickly enough as long as the baby's face is gently washed. Under severe conditions, though, your baby's doctor may recommend a stronger treatment. Here's what you need to know about getting rid of baby acne.

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Diet. Studies indicate that certain dietary factors, including skim milk and carbohydrate-rich foods — such as bread, bagels and chips — may worsen acne. Chocolate has long been suspected of making acne worse. A small study of 14 men with acne showed that eating chocolate was related to a worsening of symptoms. Further study is needed to examine why this happens and whether people with acne would benefit from following specific dietary restrictions.
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