乳液(にゅうえき)

にゅうえき
noun
moisturizing lotion; milky lotion
1. moisturizing lotion; milky lotion; emulsion (skincare)
A milky-textured skincare product used to moisturize the skin, typically applied after toner in a Japanese skincare routine.
乳液(にゅうえき)を塗(ぬ)る。
To apply moisturizing lotion.
化粧水(けしょうすい)の後(あと)に乳液(にゅうえき)をつける。
I put on moisturizing lotion after toner.
冬(ふゆ)は乾燥(かんそう)するので、しっかり乳液(にゅうえき)で保湿(ほしつ)したほうがいい。
It gets dry in winter, so you should moisturize well with lotion.
2. latex; milky sap; emulsion (biology/chemistry)
A milky white fluid produced by certain plants, or an emulsion in chemistry.
ゴムの木(き)から乳液(にゅうえき)を採取(さいしゅ)する。
To extract latex from a rubber tree.
植物(しょくぶつ)の茎(くき)を切(き)ると白(しろ)い乳液(にゅうえき)が出(で)た。
A white milky sap came out when I cut the plant's stem.
タンポポの茎(くき)を折(お)ると、乳液(にゅうえき)がにじみ出(で)るのを子供(こども)の頃(ころ)に見(み)たことがある。
I remember seeing milky sap seep out when breaking a dandelion stem as a child.

USAGE:
In everyday use, sense 1 (skincare product) is far more common. Japanese skincare routines typically follow a sequence: 洗顔(せんがん) (face wash) → 化粧水(けしょうすい) (toner) → 乳液(にゅうえき) (moisturizing lotion). The botanical/chemical sense (sense 2) appears in scientific texts.

COMMON COLLOCATIONS:

  • 乳液(にゅうえき)を塗(ぬ)る (to apply lotion)
  • 乳液(にゅうえき)をつける (to put on lotion)
  • 保湿(ほしつ)乳液(にゅうえき) (moisturizing lotion)

SIMILAR WORDS:

  • 化粧水(けしょうすい): toner, face lotion — a lighter, water-based product applied before 乳液(にゅうえき)
  • クリーム: cream — thicker moisturizer, applied after 乳液(にゅうえき)
general
Added 2026.3.9 21:23
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