hyperpigmentation
noun
hy·per·pig·men·ta·tion
ˌhī-pər-ˌpig-mən-ˈtā-shən 
-ˌmen-
: excess pigmentation in a bodily part or tissue (such as the skin)
Vitamin C has been reported to inhibit the production of melanin, the stuff that produces not only a tan but also freckles and hyperpigmentation.—
Anne Weintraub
Anne WeintraubThe presence of nickel can cause a skin rash that leads to hyperpigmentation, or darkening, of the skin.—Jenyne M. Raines
Jenyne M. RainesExamples of hyperpigmentation in a Sentence
Recent Examples on the Web
Both of these acids also exfoliate the skin to help prevent pesky ingrown hairs from cropping up and reduce hyperpigmentation.
—Sara Coughlin, SELF, 23 July 2025
Avoid picking at or popping blemishes, as this could increase your risk of infection, scarring, and hyperpigmentation.
—Sherri Gordon, Health, 15 July 2025
Acids are a form of a chemical exfoliant to remove dead skin cells, smooth texture, unclog pores, and fade hyperpigmentation.
—Larry Stansbury, Essence, 14 July 2025
Castor Oil Castor oil has skin benefits such as improving acne and inflammation, which can lead to hyperpigmentation.
—Heather Jones, Verywell Health, 16 June 2025
See All Example Sentences for hyperpigmentation
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Sara Coughlin, SELF, 23 July 2025
Avoid picking at or popping blemishes, as this could increase your risk of infection, scarring, and hyperpigmentation.
—Sherri Gordon, Health, 15 July 2025
Acids are a form of a chemical exfoliant to remove dead skin cells, smooth texture, unclog pores, and fade hyperpigmentation.
—Larry Stansbury, Essence, 14 July 2025
Castor Oil Castor oil has skin benefits such as improving acne and inflammation, which can lead to hyperpigmentation.
—Heather Jones, Verywell Health, 16 June 2025
See All Example Sentences for hyperpigmentation
Cite this Entry
“Hyperpigmentation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hyperpigmentation. Accessed 29 Jul. 2025.
Copy CitationMedical Definition
hyperpigmentation
noun
hy·per·pig·men·ta·tion
-ˌpig-mən-ˈtā-shən, -ˌmen-
: excess pigmentation in a body part or tissue (as the skin)
hyperpigmentation of deep inflammatory acne lesions—Elizabeth A. Abel et al.
Elizabeth A. Abel et al.Love words? Need even more definitions?
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