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    Did you mean Post-Inflammatory Hyperpigmentation?
    Glossary Post-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 30 of 709

    1. Postinflammatory hyperpigmentation: a common but troubling condition International Journal of Dermatology · 2004 · 114 citations
    2. Solar-Induced Postinflammatory Hyperpigmentation after Laser Hair Removal Dermatologic surgery · 1999 · 31 citations
    3. 1927 nm Thulium Laser Successfully Treats PostInflammatory Hyperpigmentation in Skin of Color Dermatology Research and Practice · 2021 · 12 citations
    4. Intradermal Local Injection of Autologous Cell‐Free Fat Extract for the Treatment of Refractory Postinflammatory Hyperpigmentation Dermatologic Therapy · 2023 · 2 citations
    5. Q-switched Nd:YAG 1064-nm laser for the treatment of acne-induced postinflammatory hyperpigmentation Journal of The American Academy of Dermatology · 2009
    6. A Case of Folliculitis Decalvans With Concomitant Acne Keloidalis Nuchae, Androgenic Alopecia, and Profound Postinflammatory Hyperpigmentation Journal of the Dermatology Nurses’ Association · 2019
    7. A Case of Folliculitis Decalvans With Concomitant Acne Keloidalis Nuchae, Androgenic Alopecia, and Profound Postinflammatory Hyperpigmentation Journal of the Dermatology Nurses’ Association · 2019
    8. Fractional Resurfacing and Topical Bimatoprost for the Treatment of Laser Induced Postinflammatory Hypopigmentation on the Lower Extremities Dermatologic surgery · 2017 · 4 citations
    9. The Therapeutic and Preventive Effects of Light‐Emitting Diode (LED) for Post‐Inflammatory Erythema and Hyperpigmentation: A Pilot Study Photodermatology Photoimmunology & Photomedicine · 2025 · 1 citations
    10. Comparison of Complications that Arise after DT and FCLT in the Treatment of Post-Acne Scars Asian Journal of Medical Research · 2019
    11. Combined autologous platelet-rich plasma with microneedling verses microneedling with distilled water in the treatment of atrophic acne scars: a concurrent split-face study Journal of Cosmetic Dermatology · 2016 · 106 citations
    12. Treatment of pseudofolliculitis barbae with the diode laser Journal of cutaneous laser therapy · 1999 · 25 citations
    13. Ashy Dermatosis Archives of Dermatology · 1981 · 21 citations
    14. Safety Profile for Microneedling: A Systematic Review Dermatologic surgery · 2021 · 17 citations
    15. Bockhart’s impetigo: complication of waterbed use International Journal of Dermatology · 1999 · 15 citations
    16. Hyperpigmented Upper Eyelid: A Clue to the Diagnosis of Facial Lichen Planus Pigmentosus in a Patient with Frontal Fibrosing Alopecia Skin Appendage Disorders · 2018 · 14 citations
    17. Efficacy and Safety of Long-Pulsed 755-nm Alexandrite Laser for Keratosis Pilaris: A Split-Body Randomized Clinical Trial Dermatology and Therapy · 2022 · 9 citations
    18. Acne in Dark Skin Springer eBooks · 2018 · 5 citations
    19. Evaluation of a Novel Dermal Cooling System for the Treatment of Benign Pigmented Lesions in Asians Lasers in Surgery and Medicine · 2024
    20. Efficacy and Safety of Combination 308-nm Excimer Laser and Intralesional Corticosteroid versus Intralesional Corticosteroid Monotherapy in the Treatment of Frontal Fibrosing Alopecia: A Pilot Study Deleted Journal · 2023
    21. 8 Applications and Safety in Skin of Color 2019
    22. 5 Diverse Skin Type Considerations and Applications for Nonsurgical Combinations 2018
    23. Skin Problems of Blacks JAMA · 1976 · 6 citations
    24. Disorders of pigmentation in infants and children Clinics in Dermatology · 2002 · 2 citations
    25. Skin Pigmentation Types, Causes and Treatment—A Review Molecules · 2023 · 138 citations
    26. A Comprehensive Review on Skin Pigmentation-Types, Causes, and Treatment Preprints.org · 2023 · 32 citations
    27. Chemical pharmacotherapy options for managing adult acne Expert Opinion on Pharmacotherapy · 2017 · 10 citations
    28. Updates in the understanding and treatments of skin & hair disorders in women of color International Journal of Women's Dermatology · 2015 · 10 citations
    29. The impact of different hair‐removal behaviours on the biophysical and biochemical characteristics of female axillary skin International Journal of Cosmetic Science · 2020 · 4 citations
    30. Clinical and Dermoscopic Evaluation of the Efficacy Melasma Treatment with Oral Tranexamic Acid 2023