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GlossaryPost-Inflammatory Hyperpigmentation

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 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.

research 1927 Nm Thulium Laser Successfully Treats Post-Inflammatory Hyperpigmentation in Skin of Color

12 citations , January 2021 in “Dermatology Research and Practice”

The 1927 nm Thulium laser effectively and safely treats postinflammatory hyperpigmentation in darker skin tones.

research Intradermal Local Injection of Autologous Cell-Free Fat Extract for the Treatment of Refractory Postinflammatory Hyperpigmentation

2 citations , January 2023 in “Dermatologic Therapy”

CEFFE injections effectively and safely improve postinflammatory hyperpigmentation.

research Q-Switched Nd:YAG 1064-nm Laser for the Treatment of Acne-Induced Postinflammatory Hyperpigmentation

February 2009 in “Journal of The American Academy of Dermatology”

Fractional infrared technology is effective and safe for treating cervical laxity.

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community I am a dermatologist with a clinical interest in alopecia. AMA

in Will treatment work for me? 3 years ago

In this conversation, 4990 discussed various treatments for hair loss, including oral minoxidil, PRP, transplan, Jak inhibitors, Dutasteride, Finasteride, Olumiant, Ketoconazole, RU58841, microneedling, baricitinib, and CCCA. They recommended scalp biopsies in unclear cases of DUPA, twice weekly to twice daily shampooing for topical minoxidil users, and two sessions spaced one month apart with follow up at month three to determine the effectiveness of PRP treatment.

community Comprehensive Microneedling Guide

in Microneedling 290 upvotes 3 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.