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

The presence of nickel can cause a skin rash that leads to hyperpigmentation, or darkening, of the skin.

—Jenyne M. Raines

hyperpigmented

ˌhī-pər-ˈpig-mən-təd 

-ˌmen-

adjective

hyperpigmented skin

Examples of hyperpigmentation in a Sentence

Recent Examples on the Web

Nurx is a telehealth company that offers prescriptions for everything from eyelash growth serum to rosacea to hyperpigmentation. —Jessie Quinn, StyleCaster, 10 Oct. 2025

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

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

Word History

First Known Use

1866, in the meaning defined above

Rhymes for hyperpigmentation

• acclimatisation
• acclimatization
• acidification
• actualization
• annualization
• autocorrelation
• autoregulation
• beatification
• beneficiation
• biodegradation
• biotransformation
• bureaucratization

Medical 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.

hyperpigmented

-ˈpig-mənt-əd, -ˌment- 

adjective

hyperpigmented skin