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
Oppong highlights Image Skin + CO’s Luminous Vitamin C Serum paired with daily SPF 30+ to protect melanin-rich skin from hyperpigmentation.
—Larry Stansbury, Essence, 7 Oct. 2025
The Pink Skincare Set includes the Age-R Booster Pro, a 6-in-1 wand that not only helps with formula absorption, but skincare issues like hyperpigmentation, wrinkles, large pores, and more.
—Brittany Leitner, StyleCaster, 1 Oct. 2025
For anyone with age spots, shaving scars, or other forms of hyperpigmentation, this new duo from the Swiss laboratories of Cellcosmet is worth reaching for.
—Justin Fenner, Robb Report, 30 Sep. 2025
Protects Against Environmental Factors Chronic sun exposure causes signs of aging, such as redness, color changes (hyperpigmentation), changes in thickness, inflammation, and other signs of damage.
—Carrie Madormo, Verywell Health, 16 Sep. 2025
See All Example Sentences for hyperpigmentation
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Larry Stansbury, Essence, 7 Oct. 2025
The Pink Skincare Set includes the Age-R Booster Pro, a 6-in-1 wand that not only helps with formula absorption, but skincare issues like hyperpigmentation, wrinkles, large pores, and more.
—Brittany Leitner, StyleCaster, 1 Oct. 2025
For anyone with age spots, shaving scars, or other forms of hyperpigmentation, this new duo from the Swiss laboratories of Cellcosmet is worth reaching for.
—Justin Fenner, Robb Report, 30 Sep. 2025
Protects Against Environmental Factors Chronic sun exposure causes signs of aging, such as redness, color changes (hyperpigmentation), changes in thickness, inflammation, and other signs of damage.
—Carrie Madormo, Verywell Health, 16 Sep. 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 10 Oct. 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
Share