色素(しきそ)沈着(ちんちゃく)

しきそちんちゃく
noun
pigmentation; skin discoloration
formalmedicalhealth
1. pigmentation; hyperpigmentation; skin discoloration
The deposit of pigment in the skin, resulting in darker patches or spots. A common dermatological concern caused by sun exposure, inflammation, aging, or hormonal changes.
日焼(ひや)けによる色素(しきそ)沈着(ちんちゃく)に注意(ちゅうい)してください。
Please be careful about pigmentation from sunburn.
ニキビの跡(あと)が色素(しきそ)沈着(ちんちゃく)になってしまった。
The acne scars turned into pigmentation marks.
色素(しきそ)沈着(ちんちゃく)を防(ふせ)ぐには、紫外線(しがいせん)対策(たいさく)が大切(たいせつ)だ。
To prevent pigmentation, UV protection is important.

Compound of 色素(しきそ) (pigment; coloring matter) + 沈着(ちんちゃく) (deposition; settling). A medical and skincare term that is widely understood due to the popularity of skincare culture in Japan.

Common collocations

  • 色素(しきそ)沈着(ちんちゃく)を防(ふせ)ぐ: to prevent pigmentation
  • 色素(しきそ)沈着(ちんちゃく)が起(お)きる: pigmentation occurs
  • 色素(しきそ)沈着(ちんちゃく)を改善(かいぜん)する: to improve pigmentation
  • 炎症後(えんしょうご)色素(しきそ)沈着(ちんちゃく): post-inflammatory hyperpigmentation

Common causes

Similar words

  • シミ: age spots; dark spots — the everyday word for visible pigmentation spots on the skin
  • 黒(くろ)ずみ: darkening; dark patches — more casual, used for skin darkening in general
  • 日焼(ひや)け跡(あと): sunburn marks — specifically from sun exposure

Related Words

Compare: 染(し)み (age spots)
general
Added 2026.5.8 21:15 · Revised 2026.9.4 21:31
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