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

My skin looked smoother, too—not necessarily in terms of wrinkles, but in its overall consistency and feel—and my hyperpigmentation appeared less noticeable. — Jenny Berg, Vogue, 17 Sep. 2026

The lightweight tint offers sheer, dewy coverage while targeting hyperpigmentation, sun damage and uneven tone over time. — Ryma Chikhoune, Footwear News, 8 Sep. 2026

As someone with genetic hyperpigmentation (aka many, many freckles), I was also intrigued by the way vitamin C eases discoloration. — Maggie Ryan, Flow Space, 4 Sep. 2026

The coupling is equally beneficial for concerns like hyperpigmentation, melasma, and sun damage. — Kelsey Stewart, Allure, 18 Aug. 2026

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