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
Next stop: breakouts, inflammation, and if your skin is so inclined, hyperpigmentation where said breakouts occurred.
—Morgan Fargo, Vogue, 20 Feb. 2025
Smoke and its pollutants also contribute to premature aging via inflammation and oxidative stress—damaging its collagen and elastin while accelerating the formation of fine lines, wrinkles and hyperpigmentation.
—Jessica Ourisman, Forbes, 18 Jan. 2025
Turning her spa into a pre-NYFW destination, Marc first started her career as a way to treat her own skin, including hyperpigmentation which disproportionately affects darker skin tones, and laser hair removal which is often unsafe (if the wrong laser is used) to perform on our tones.
—India Espy-Jones, Essence, 30 Jan. 2025
Another treatment for hyperpigmentation could be retinoid creams.
—Monica Cull, Discover Magazine, 27 Jan. 2025
See All Example Sentences for hyperpigmentation
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Morgan Fargo, Vogue, 20 Feb. 2025
Smoke and its pollutants also contribute to premature aging via inflammation and oxidative stress—damaging its collagen and elastin while accelerating the formation of fine lines, wrinkles and hyperpigmentation.
—Jessica Ourisman, Forbes, 18 Jan. 2025
Turning her spa into a pre-NYFW destination, Marc first started her career as a way to treat her own skin, including hyperpigmentation which disproportionately affects darker skin tones, and laser hair removal which is often unsafe (if the wrong laser is used) to perform on our tones.
—India Espy-Jones, Essence, 30 Jan. 2025
Another treatment for hyperpigmentation could be retinoid creams.
—Monica Cull, Discover Magazine, 27 Jan. 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 4 Mar. 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?
Merriam-Webster unabridged
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