Updated December 15, 2014.
You've probably noticed those dark spots that pimples leave behind. The remnants of pimples past is called post-inflammatory hyperpigmentation (PIH).
PIH is an acronym for Post-Inflammatory Hyperpigmentation. Post-inflammatory means "after inflammation." Hyperpigmentation means "increased pigmentation," or a darkening of the skin. So post-inflammatory hyperpigmentation, or PIH, is the discoloration or darkening of the skin that develops after an inflammatory wound.
PIH spots are darker than the surrounding skin tissue, and can vary in color from pink to red, purple, or brown.More »
In a word: inflammation. PIH is the skin's natural response to inflammatory wound.
Acne is a common cause of PIH. Controlling inflammatory acne breakouts is an important step in reducing PIH development.
And if you pop your pimples or pick at the scabs, you're upping your chance of developing PIH.More »
If you have skin, you can develop PIH. Certain factors can make you more susceptible to developing PIH, though. Obviously, having inflammatory acne will increase your chances of developing PIH than mild, non-inflammatory breakouts.
Your skin tone also influences your chances of developing PIH. It is more common in medium to dark complexions.More »
PIH isn't a scar, at least not in the true sense of the word. There is no loss (or gain) of skin tissue. Only the color of the skin is changed. So, luckily, PIH isn't necessarily permanent though in some cases it can be.
PIH can fade on its own. Granted, it does take quite some time (think in terms of months rather than weeks).More »
There is good news for you: PIH can be treated. Mild discolorations can respond to over-the-counter products containing alpha hydroxy acids, hydroquinone, or N-acetyl glucosamine (NAG) and niacinamide.
Many day spas and salons also offer treatments that can fade PIH. The most common of these include light chemical peels and microdermabrasion.
But more stubborn cases are best treated by your dermatologist. He may prescribe topical medications or suggest other procedures that will help diminish PIH.More »
You've probably noticed those dark spots that pimples leave behind. The remnants of pimples past is called post-inflammatory hyperpigmentation (PIH).
What Is PIH?
PIH is an acronym for Post-Inflammatory Hyperpigmentation. Post-inflammatory means "after inflammation." Hyperpigmentation means "increased pigmentation," or a darkening of the skin. So post-inflammatory hyperpigmentation, or PIH, is the discoloration or darkening of the skin that develops after an inflammatory wound.
PIH spots are darker than the surrounding skin tissue, and can vary in color from pink to red, purple, or brown.More »
What Causes PIH?
In a word: inflammation. PIH is the skin's natural response to inflammatory wound.
Acne is a common cause of PIH. Controlling inflammatory acne breakouts is an important step in reducing PIH development.
And if you pop your pimples or pick at the scabs, you're upping your chance of developing PIH.More »
Who Can Get PIH?
If you have skin, you can develop PIH. Certain factors can make you more susceptible to developing PIH, though. Obviously, having inflammatory acne will increase your chances of developing PIH than mild, non-inflammatory breakouts.
Your skin tone also influences your chances of developing PIH. It is more common in medium to dark complexions.More »
Is PIH Permanent?
PIH isn't a scar, at least not in the true sense of the word. There is no loss (or gain) of skin tissue. Only the color of the skin is changed. So, luckily, PIH isn't necessarily permanent though in some cases it can be.
PIH can fade on its own. Granted, it does take quite some time (think in terms of months rather than weeks).More »
Can PIH Be Treated?
There is good news for you: PIH can be treated. Mild discolorations can respond to over-the-counter products containing alpha hydroxy acids, hydroquinone, or N-acetyl glucosamine (NAG) and niacinamide.
Many day spas and salons also offer treatments that can fade PIH. The most common of these include light chemical peels and microdermabrasion.
But more stubborn cases are best treated by your dermatologist. He may prescribe topical medications or suggest other procedures that will help diminish PIH.More »
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