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Postinflammatory hyperpigmentation (PIH) is a skin condition characterized by the darkening of the skin (hyperpigmentation) following an inflammatory injury, such as acne, dermatitis, infectious disease, or trauma. Less frequently, it may occur as a complication of a medical procedure performed on the skin. It is a common cause of skin ...
Post-Acne marks from post-inflammatory hyperpigmentation. Linea nigra—a hyperpigmented line found on the abdomen during pregnancy. Peutz–Jeghers syndrome—an autosomal dominant disorder characterized by hyperpigmented macules on the lips and oral mucosa and gastrointestinal polyps.
Unusual conditions that can be associated with a lichenoid inflammatory cell infiltrate are HIV dermatitis, syphilis, mycosis fungoides, urticaria pigmentosa, and post-inflammatory hyperpigmentation. [2] In cases of post-inflammatory hyperpigmentation, it is important to exclude potentially harmful mimics such as a regressed melanocytic lesion ...
Whether caused by hyperpigmentation, acne, sun damage or aging, dark spots are one of the most common — and most annoying — skin concerns. Trust me, I know. I’ve been struggling with post ...
This is often referred to as post-inflammatory hyperpigmentation (PIH), which can cause dark spots to appear after an inflammatory event, like acne, a bad breakout or eczema.
For discoloration on the body, such as dark spots following bacne or post-inflammatory hyperpigmentation from a mosquito bite, this exfoliating body serum, which has 4.5-star average rating from ...
Drug-induced pigmentation of the skin may occur as a consequence of drug administration, and the mechanism may be postinflammatory hyperpigmentation in some cases, but frequently is related to actual deposition of the offending drug in the skin. [2]: 125–6 The incidence of this change varies, and depends on the type of medication involved.
Retinol is proven to help reduce post-inflammatory hyperpigmentation and assists with resurfacing skin to give skin a smoother texture. Niacinamide also aids in decreasing the appearance of ...