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GlossaryPost-Inflammatory Hyperpigmentation (PIH)

skin darkens after inflammation due to excess melanin production

Post-Inflammatory Hyperpigmentation (PIH) is a condition where the skin becomes darker in color after an inflammatory event, such as acne, eczema, or a skin injury. This occurs because the inflammation triggers an overproduction of melanin, the pigment responsible for skin color, leading to dark spots or patches that can persist even after the initial inflammation has healed.

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research Postinflammatory Hyperpigmentation: A Common but Troubling Condition

114 citations, April 2004 in “International Journal of Dermatology”

Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.

research Fractional Resurfacing in the Asian Patient: Current State of the Art

33 citations, September 2016 in “Lasers in Surgery and Medicine”

Fractional resurfacing is safe and effective for certain skin conditions in Asian patients, but care must be taken to avoid skin pigmentation issues.

research Solar-Induced Postinflammatory Hyperpigmentation After Laser Hair Removal

31 citations, February 1999 in “Dermatologic surgery”

Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.

Comparing the Risk of Adverse Pregnancy Outcomes of Chinese Patients with Polycystic Ovary Syndrome with and without Antiandrogenic Pretreatment

research Comparing the Risk of Adverse Pregnancy Outcomes of Chinese Patients with Polycystic Ovary Syndrome with and without Antiandrogenic Pretreatment

27 citations, March 2018 in “Fertility and Sterility”

Women with PCOS who had antiandrogenic treatment before pregnancy had fewer complications than those without treatment.

research Adverse Events of Non-Ablative Fractional Laser Photothermolysis: A Retrospective Study of 856 Treatments in 362 Patients

18 citations, May 2013 in “Journal of Dermatological Treatment”

Non-ablative fractional laser treatments have a low risk of side effects in Asian patients.

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community Comprehensive Microneedling Guide

in Microneedling 295 upvotes 2 years ago

Microneedling for hair restoration involves daily use of a 0.3 mm device and weekly use of a 0.5 mm device. Combining microneedling with Minoxidil can enhance hair growth.