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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.
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 ...
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.
Acne type: Whiteheads and post-inflammatory hyperpigmentation. Her current skincare obsession: “EltaMD’s UV Clear! I love how thoughtful the brand was about making sure this effective SPF ...
It’s also anti-inflammatory, “so it reduces any redness and swelling associated with acne,” says Dr. Amin. Removes warts: Warts are commonly caused by the human papillomavirus (HPV).
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 ...
Cetyl tranexamate mesylate is thought to act on the inflammatory pathway, reducing the melanogenesis and hyperpigmentation that is initiated by UV or acne inflammation. [citation needed] It differs from other hyperpigmentation actives, such as hydroquinone and kojic acid, which are toxic to melanocytes and thus lighten or bleach all skin to which they are applied. [4]