For UVA protection, a sunscreen with a high UVA protection of PA+++ or higher of PA++++ as recommended, especially to treat PIE. PPD is the UVA equivalent of SPF; use a sunscreen with a minimum of PPD20. The PA+ system has a + that corresponds to a tier of PPD protection. Of note, different countries use different PA systems. Japan and Taiwan changed their PA system to a 4+ tier system while Korea uses a 3+ tier system.
While acne is a much more visible condition than most, it is important to remember that it is like most diseases, in which early detection can help to mitigate its impact. Bearing that in mind, we have taken the time to put together 10 of the most common causes for acne, so that you can be better informed and potentially avoid some (and only some) of its root causes.
First thing's first: prevention. "Getting on a good skincare regimen, avoiding picking, popping, or traumatizing the skin, and protecting it with SPF so it does not darken are important ways to avoid acne scarring," dermatologist Annie Chiu advises. For day-to-day coverage, try this SPF 45 option from Dr. Jart. It's a four-in-one primer, moisturizer, sunscreen, and treatment serum that evens out skin tone from within and offers mild coverage.
Crush up some aspirin. Crush up an aspirin tablet and add just enough water to make it into a paste. With a Q-Tip, add the aspirin paste to the pimple(s) lightly, covering entirely. Let dry. Aspirin is another anti-inflammatory, meaning it will help the skin fight against inflammation, making the pimple less visible. Let the aspirin paste fight the pimple overnight.
Yes, it’s another pricey SkinCeuticals serum, but dermatologists absolutely love their products for treating acne marks. You’ll get more bang for your buck with the inclusion of glycolic and lactic acids, two alpha-hydroxy acids that Avram says help fade marks by exfoliating the top surface of the skin. Nagler says “vitamin C is helpful as an adjunct in preventing free radical damage, which helps with pigmentation.” It’s also worth investing in a high-quality serum since, according to Nagler, vitamin C isn’t stable — and is therefore less effective — in some other products.
The spots that linger after a pimple has healed are caused by inflammation that has disrupted the skin's natural healing process. "When your skin is opened up (like when you pop a pimple) and then closes back together, you can get abnormal pigmentation, texture, and tone that looks different from the rest of your skin. Sometimes the broken blood vessels that remain after an acne lesion fades can result in a mark," says Dr. Bowe. For a number of people who are able to refrain from picking, inflamed pimples or blemishes can still leave a dark brown or red mark — but these naturally fade over the course of a few months, notes dermatologist Heather C. Woolery-Lloyd, MD.
Our skin contains millions of small sebaceous glands underneath the surface. These glands excrete an oil, called sebum, that helps to keep our skin smooth and supple. This oil is released via pores, which are small holes on the surface of the skin, which is also where hairs grow out of. When the body produces a lot of sebum, the skin can feel oily and these pores can become clog. It is when these pores become clogged that germs and bacteria can thrive and grow. The result – pimples.
With a blend of potent antioxidants, this serum is loved by beauty editors and dermatologists alike. Vitamin C plays a leading role: "The powerful ingredient has been shown to brighten dull skin and lighten brown spots. It may also be helpful in lightening a dark scar," says Joshua Zeichner, the director of cosmetic and clinical research in dermatology at Mount Sinai Hospital in New York City. The formula also includes vitamin E. "Vitamin E is a fatty vitamin that has both antioxidant and skin-protecting properties. It helps seal cracks in the outer skin layer and may help repair a damaged skin barrier and improve the appearance of scars after the initial wound has healed," Zeichner says.
Coconut oil is all the rage, with uses ranging from hair conditioning to cooking. But some swear by it as a natural acne treatment. To use coconut oil as an acne treatment, you can include it as part of a healthy diet. The fatty acids like lauric acid caprylic acid are metabolized into antibacterial agents in the body. Or, you can apply a very small amount and rub directly onto your skin after cleansing for an extra hydrating boost.
This article was medically reviewed by Hilary Baldwin, MD. Baldwin, medical director of the Acne Treatment Research Center, is a board-certified dermatologist with nearly 25 years of experience. Her area of expertise and interest are acne, rosacea and keloid scars. Baldwin received her BA and MA in biology from Boston University. She became a research assistant at Harvard University before attending Boston University School of Medicine. She then completed a medical internship at Yale New Haven Hospital before becoming a resident and chief resident in dermatology at New York University Medical Center.