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

Those with issues concerning aging, hyperpigmentation, or uneven skin texture. —Kiana Murden, Vogue, 26 June 2024

This popular pick utilizes snail mucin to boost moisture and tackle hyperpigmentation (bye-bye, dark spots). —Jennifer Hussein, Allure, 21 June 2024

Pack the star product, Golden Rays Sunscreen with SPF 50, and rest easy knowing it's formulated to preserve melanin and protect against hyperpigmentation, all while being reef-safe and cruelty free. —Charu Suri, Condé Nast Traveler, 6 Feb. 2023

For example, Black women are disproportionately affected by post-inflammatory hyperpigmentation, which can result after a breakout. —India Espy-Jones, Essence, 31 May 2024

Word History

First Known Use

1866, in the meaning defined above

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