Acne is usually a temporary problem, but acne scars can be permanent. However unwelcome they may be, scars are part of the skin's normal healing process after it has been damaged by a wound or injury. Most superficial wounds heal without scarring. It's when the dermis is damaged that scars form on the skin. Learn what causes acne scars and how you can prevent them.

Acne is reported to be less common in people that have a diet with lower glycaemic index, eg, natives from Kitava and Papua New Guinea, the Ache people of Paraguay, Inuits and rural residents of Kenya, Zambia and Bantu. These people tend to become sexually mature at a later age than in the cities where higher glycaemic index foods are consumed. Early puberty is associated with earlier onset and more severe acne that tends to peak at the time of full maturity (age 16 to 18).
Extraction reactions: When performed correctly, extractions can be very helpful in getting rid of whiteheads, blackheads, and even pimples. But that’s when they’re performed correctly. Getting extractions from anyone other than an experienced aesthetician or dermatologist can lead to facial scarring and severe inflammatory acne. Some believe that all extractions lead to larger pores, and a larger likelihood of developing more severe acne, however many aestheticians refute the claim.
If a pore gets clogged up and closes but bulges out from the skin, you're left with a whitehead. If a pore gets clogged up but stays open, the top surface can darken and you're left with a blackhead. Sometimes the wall of the pore opens, allowing sebum, bacteria, and dead skin cells to make their way under the skin — and you're left with a small, red bump called a pimple (sometimes pimples have a pus-filled top from the body's reaction to the bacterial infection).
When it comes to skin care, we're not usually ones for hard and fast rules. Everyone has unique skin types, skin tones, lifestyles, and genetic histories that make it impossible to have a single piece of one-size-fits-all advice. It can take years — and dozens of trips to the dermatologist — to discover how to treat acne effectively on your unique skin. But here at Teen Vogue, we've pretty much made it our life mission to figure out the best tips from the pros to point you in the right direction. They've seen it all and won't recommend it unless it's backed up by experience and science,.
Lasers: Dermatologists often remodel collagen using lasers, "which do not completely eliminate acne scars but can improve them by 30% or more," according to Dr. Woolery-Lloyd. "These can be helpful in reducing the redness associated with acne marks and scars. I use a pulse-dye laser called the V-Beam for red scars. When treating older scars that are no longer red, I like to use the Fraxel laser. When lasers are used to treat acne scars, the results can differ dramatically based on two things: how many treatments you have done, and how much social downtime you're willing to accept as part of the recovery process," says Dr. Bowe. "Erbium laser resurfacing is also another option and it's more aggressive than Fraxel," says Dr. Shah. "It's a minimal burning of surrounding tissues and has fewer side effects like less swelling and redness, but it's won't work for those with darker skin tones."
Try a homemade oatmeal facial mask. Take a spoon size of an oatmeal and wet it with water. Squeeze it and put the milky liquid all over your face. Now gently put all the oatmeal on your face and leave it for about 1 minute. Do not put oatmeal mask on the eye area and mouth. Wash your face afterwards. This doesn't have an instant result but it works for some people.
"You want to calm the inflammation right away," Chiu says of treating newly popped pimples prone to scarring. She suggested asking your dermatologist to prescribe an anti-inflammatory acne medication like Aczone Gel. For a prescription-free solution, dermatologist Ronald Moy suggests treating newer scars with a product containing innovative growth factors that "stimulate collagen production immediately" and "should prevent any new scars from becoming old scars." This serum from Moy's product line, DNA EGF, uses growth factors clinically proven to speed up the growth of healthy skin cells. Both hyperpigmentation (not true scarring, but the spotty aftermath of a breakout) and atrophic scars (those crater marks more deep and sunken) benefit from a stimulating collagen boost because thickening the skin leads to less visibility of existing scars, Moy says.
The two laser treatment options above are great for acne scar removal, but aren't generally recommended as acne treatment. If you're still experiencing active acne breakouts and wondering how to get rid of acne with laser treatments, check out photodynamic therapy. It combats active moderate to severe acne while also diminishing older acne scars by using light energy to activate a powerful acne-fighting solution. Patients may require 2 or 3 treatments over several weeks and should expect some redness, peeling, and sun sensitivity. This treatment will cost between $2000 to $3500 per series.
Extraction reactions: When performed correctly, extractions can be very helpful in getting rid of whiteheads, blackheads, and even pimples. But that’s when they’re performed correctly. Getting extractions from anyone other than an experienced aesthetician or dermatologist can lead to facial scarring and severe inflammatory acne. Some believe that all extractions lead to larger pores, and a larger likelihood of developing more severe acne, however many aestheticians refute the claim.
For women who break out mainly around their menstrual cycle, some birth control pills can help. Research shows that these pills can clear acne by slowing down overactive oil glands in the skin. Sometimes, birth control pills are used along with a drug called spironolactone to treat acne in adult females. This medication lowers levels of the hormone androgen in the body. Androgen stimulates the skin's oil glands. Side effects of this drug include irregular menstruation, breast tenderness, headache and fatigue. Spironolactone is not appropriate therapy for all patients.
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Post-inflammatory hyperpigmentation is not an acne scar, but a red, pink, brown or tan skin discoloration where acne has previously flared up. It will usually disappear on its own in a year or so. Many skin lightening products claim to help reduce the visibility of these acne “scars." Their active ingredient, hydroquinone, works to slow melanin production and can reduce dark brown marks, but melanin isn't the cause of red and pink acne discolorations. A better option is to use the best foundation for acne prone skin you can find to hide the marks until they naturally fade away.
A recent study has found a difference between strains of acne bacteria, which could have a significant impact on acne treatment down the road. This study, published in the Journal of Investigative Dermatology, found that these strains play a role in the severity and frequency of developing pimples. One particular strain of P. acnes was found among study participants that exhibited few symptoms of acne. Researchers came to the conclusion that this “good” strain of bacteria features a natural defense mechanism that fights back bacteria which might infect the cell. Researchers are hopeful that this discovery will help dermatologists better and more accurately prescribe effective acne treatment in the future, and reduce the severity of acne by ridding the skin of bad acne bacteria while preserving the good. 
A game changer in the skincare industry, the Acne Pad delivers medical-grade glycolic acid that retextures the surface of the skin to reveal what Cane + Austin likes to call that "glycolic glow"—all just with one product. After years of treating thousands of patients with glycolic acid, Dr. Austin knew he had to share this miracle ingredient with everyone. While in development, Dr. Austin shared the pre-production samples in Ziploc bags and gave to friends and family to try. He knew he had something special when a friend had to choose between being on time for her flight, or running back to get more of "those pads". She missed her flight. Cane + Austin had a cult following before even being distributed in stores.

Birth controls can affect hormone levels, and some women may be finding that their birth control is causing acne due to increases in sebum production. This rise in sebum can affect the skin, clogging up pores and leading to acne. According to The Huffington Post, birth control pills that contain androgen-based progestin have been indicated as the most likely offender.
Even if you have amazing willpower—like the willpower of a Girl Scout with a full inventory of Thin Mints under her bed—and never, ever mess with your acne, you can still scar. "Acne scars result from damage to the skin following repeated inflammation from acne cysts," says Judith Hellman, M.D., a board-certified dermatologist in New York City. "Pimple popping can make the process worse, but acne can cause scarring even without pimple popping."
Sunscreen: "Sun exposure during an active breakout can lead to darkening of inflammatory lesions, prolonging their appearance on your skin and making them harder to fade over time," says Dr. Shereene Idriss from Union Square Dermatology, which means it's important to lather on the sunscreen daily — even when it's cloudy. And don't worry about breaking out from a pore-clogging sunscreen; the latest formulas are more innovative and acne-friendly than ever. Elta MD UV Clear Broad-Spectrum SPF 46 is a top derm-approved favorite. It contains niacinamide, which is an anti-inflammatory that helps reduce redness.
Even if battling zits is a distant memory, filed away with high-school gym class and algebra tests, acne marks and scars can annoyingly linger long after pimples are gone. “If someone gets a very large pimple or cyst, the natural healing process of the skin will create a scar,” says David Avram, M.D., of Heights Dermatology and Laser. “The more intense the inflammation, the more likely it will leave a scar.”
Acne is usually a temporary problem, but acne scars can be permanent. However unwelcome they may be, scars are part of the skin's normal healing process after it has been damaged by a wound or injury. Most superficial wounds heal without scarring. It's when the dermis is damaged that scars form on the skin. Learn what causes acne scars and how you can prevent them.
Laser resurfacing. This procedure can be done in the doctor's or dermatologist's office. The laser removes the damaged top layer of skin and tightens the middle layer, leaving skin smoother. It can take anywhere from a few minutes to an hour. The doctor will try to lessen any pain by first numbing the skin with local anesthesia. It usually takes between 3 and 10 days for the skin to heal completely.
Acne is a common skin condition that plagues people of all ages. Blemishes always seem to appear the day before a special event, so it's a common desire to want to get rid of them overnight. While that's not always possible, what you can do is speed up the healing process by taking extra care of your skin and working to open the clogged pore so the blemish can fully heal.
Breakouts can come and go, but the scars they leave behind can linger for years (or more). You've probably been told, "Don't pop your pimples, or you'll end up with a mark." But recently, I learned that the most common acne scars have nothing to do with your tendency to squeeze zits. "Popping pimples doesn't cause scarring," Mark Karolak, D.O., a board-certified facial plastic surgeon at Reflections Center for Skin and Body, tells SELF. "If it's just a whitehead and blackhead on the surface, it can be popped without creating any scarring."
lThis at-home skin peel available at Sephora tightens pores, reduces oil, helps retexturize skin and diminishes dark spots. It's paraben and sulfate free, non-comedogenic, and is not tested on animals. Use this peel each week as part of your clear skin regimen to help even out skin tone and gently remove unhealthy top skin layers, revealing new, healthier skin underneath. 

Genetics can also have an effect on acne breakouts, and may be the reason some people are acne-prone while others are not. One of the top cited studies took a look at 458 pairs of identical twins and 1099 pairs of fraternal twins to study acne prevalence. They found that genes explained a significant 81 percent of the difference in acne prevalence, while the other 19 percent was explained by non-shared environmental factors. 
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