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

Growing up, like many teenagers, UN Goodwill Ambassador and entrepreneur Sabrina Elba suffered from acne and post-inflammatory skin hyperpigmentation. —Anaja I. Smith, The Hollywood Reporter, 10 May 2024

If our barrier is compromised, the skin is more susceptible to damage which can result in visible skin issues, including fungal acne and hyperpigmentation. —India Espy-Jones, Essence, 9 May 2024

Buy Now on Noble Panacea: $300 Best Dark Spot Corrector: Medik8 Oxy-R Peptides Photo : Medik8 If other solutions for lingering scars from shaving or acne haven’t worked, try this hyperpigmentation serum that targets such marks with 1 percent oxyresveratrol. —Adam Hurly, Robb Report, 8 May 2024

Unfortunately, the sun’s UVA and UVB rays can not only cause sunburn but also lead to premature signs of skin aging—namely, wrinkles and hyperpigmentation—and even skin cancer. —Bella Cacciatore, Glamour, 3 May 2024

Meanwhile, Korean sunscreens use a second system that measures a product’s ability to defend against UVA rays (the type of sun rays that accelerate signs of aging, including hyperpigmentation, textural changes, and fine lines). —Adam Hurly, Robb Report, 22 Apr. 2024

Any skin type, tone, or texture could benefit from a CC cream, however, those looking to address hyperpigmentation, acne-scarring, or rosacea flareups might find these more suitable than other coverage solutions. —Kylee McGuigan, Vogue, 17 Apr. 2024

The minimally invasive treatment is used to stimulate collagen-producing cells, which can help minimize pores, hyperpigmentation, and sagging skin. —India Espy-Jones, Essence, 3 Apr. 2024

This lightweight serum packs a powerhouse of ingredients—from peptides to vitamin C, plus antioxidants for a product that works on wrinkles, hyperpigmentation, and even scars. —Glamour, 1 Mar. 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