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

That being said, at its actual best, my complexion is usually uneven, my pores enlarged, and my face dotted with hyperpigmentation. —Tamim Alnuweiri, InStyle, 4 June 2026

Innisfree Green Tea Enzyme Vitamin C Serum An easy way to reduce hyperpigmentation is by using a vitamin C serum, but the benefits don’t stop there. —Rylee Johnston, PEOPLE, 4 June 2026

For people with melanin-rich skin, hyperpigmentation and burns are among the most common concerns and typically occur when an inexperienced provider uses a device incorrectly. —Aimee Simeon, Allure, 3 June 2026

The mild formula fades hyperpigmentation, acne scarring, and blemishes with citric bliss. —Rosa Jisoo Pyo, Vogue, 31 May 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