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
There was also glutamine, which is said to support gut health and absorption; glutathione for its supposed antioxidant action, immune support and hyperpigmentation benefits; and a placenta injection, which I was told helps with skin regeneration.
—Parizaad Khan Sethi, Allure, 2 May 2025
My complexion looked smoother, my hyperpigmentation was noticeably lighter, and my skin felt baby-soft.
—Larry Stansbury, Essence, 29 Apr. 2025
Infused with glutathione, vitamin C, and niacinamide, they’re formulated to brighten hyperpigmentation and dark spots, all while improving uneven skin tone and reviving dull skin.
—Denise Primbet, Glamour, 28 Apr. 2025
With its lightweight texture, glowing finish, and ability to safeguard against sun damage and hyperpigmentation, this has all the makings of a universally appealing sunscreen—and has quickly become a staple in my skin-care rotation.
—Kiana Murden, Vogue, 28 Apr. 2025
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Parizaad Khan Sethi, Allure, 2 May 2025
My complexion looked smoother, my hyperpigmentation was noticeably lighter, and my skin felt baby-soft.
—Larry Stansbury, Essence, 29 Apr. 2025
Infused with glutathione, vitamin C, and niacinamide, they’re formulated to brighten hyperpigmentation and dark spots, all while improving uneven skin tone and reviving dull skin.
—Denise Primbet, Glamour, 28 Apr. 2025
With its lightweight texture, glowing finish, and ability to safeguard against sun damage and hyperpigmentation, this has all the makings of a universally appealing sunscreen—and has quickly become a staple in my skin-care rotation.
—Kiana Murden, Vogue, 28 Apr. 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 7 May. 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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