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
Topical vitamin C, in particular, like creams, oils, and lotions, may improve acne, reduce scarring, and hyperpigmentation.
—Sherri Gordon, Health, 26 May 2025
Clean chemical filters protect skin from the sun, niacinamide minimizes damage and hyperpigmentation, and vitamin E, watermelon seed oil extract and glycerin deeply hydrate, calm, soothe and reduce redness.
—Celia Shatzman, Forbes.com, 20 May 2025
Studies also show that sunscreen helps prevent skin damage caused by UV radiation on any skin tone, from sunburn to hyperpigmentation to signs of aging.
—Claire Sullivan, Footwear News, 5 May 2025
On top of its oil-absorbing properties, our testers love its sheer coverage that minimally conceals discoloration and hyperpigmentation without looking cakey.
—Sarah Han, Allure, 2 May 2025
See All Example Sentences for hyperpigmentation
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Sherri Gordon, Health, 26 May 2025
Clean chemical filters protect skin from the sun, niacinamide minimizes damage and hyperpigmentation, and vitamin E, watermelon seed oil extract and glycerin deeply hydrate, calm, soothe and reduce redness.
—Celia Shatzman, Forbes.com, 20 May 2025
Studies also show that sunscreen helps prevent skin damage caused by UV radiation on any skin tone, from sunburn to hyperpigmentation to signs of aging.
—Claire Sullivan, Footwear News, 5 May 2025
On top of its oil-absorbing properties, our testers love its sheer coverage that minimally conceals discoloration and hyperpigmentation without looking cakey.
—Sarah Han, Allure, 2 May 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 1 Jun. 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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