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
Unlike post-inflammatory hyperpigmentation, melasma involves excess melanin sitting both in the superficial and deeper layers of the skin.
—Jenna Ryu, SELF, 4 Mar. 2025
Like traditional retinol, bakuchiol can help smooth skin texture, reduce hyperpigmentation, and restore elasticity.
—Angela Trakoshis, Allure, 3 Mar. 2025
The esthetician recommended me to use a red light therapy mask two to three times a week after washing my face to reduce dark spots and hyperpigmentation.
—Larry Stansbury, Essence, 17 Feb. 2025
With hyperpigmentation — a condition where patches of skin are darker than others — sun exposure can lead to dark circles.
—Monica Cull, Discover Magazine, 27 Jan. 2025
See All Example Sentences for hyperpigmentation
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Jenna Ryu, SELF, 4 Mar. 2025
Like traditional retinol, bakuchiol can help smooth skin texture, reduce hyperpigmentation, and restore elasticity.
—Angela Trakoshis, Allure, 3 Mar. 2025
The esthetician recommended me to use a red light therapy mask two to three times a week after washing my face to reduce dark spots and hyperpigmentation.
—Larry Stansbury, Essence, 17 Feb. 2025
With hyperpigmentation — a condition where patches of skin are darker than others — sun exposure can lead to dark circles.
—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 11 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?
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