弱 酸 性(じゃくさんせい)

じゃくさんせい

noun, no-adjective

mildly acidic; weakly acidic

1. mildly acidic; weakly acidic

Having a slightly acidic pH (roughly 4–6.5). Often appears on skin-care, shampoo, and cleaning-product labels because skin's natural pH is mildly acidic.

弱酸性(じゃくさんせい)のシャンプー。

Mildly acidic shampoo.

肌(はだ)にやさしい弱酸性(じゃくさんせい)洗顔料(せんがんりょう)を使(つか)っている。

I use a mildly acidic facial cleanser that's gentle on the skin.

健康(けんこう)な肌(はだ)は弱酸性(じゃくさんせい)で、雑菌(ざっきん)の繁殖(はんしょく)を防(ふせ)いでいる。

Healthy skin is mildly acidic, which prevents bacteria from multiplying.

Compound of 弱(じゃく) (weak) + 酸性(さんせい) (acidic). Functions as a no-adjective: 弱酸性(じゃくさんせい)の + noun.

Common collocations

弱酸性(じゃくさんせい)のシャンプー: mildly acidic shampoo
弱酸性(じゃくさんせい)洗剤(せんざい): mildly acidic detergent
弱酸性(じゃくさんせい)化粧水(けしょうすい): mildly acidic toner
肌(はだ)と同(おな)じ弱酸性(じゃくさんせい): mildly acidic like the skin

Similar words

強酸性(きょうさんせい): strongly acidic
弱(じゃく)アルカリ性(せい): mildly alkaline
中性(ちゅうせい): neutral

Related Words

Compare: 中性(ちゅうせい) (neutral)

general

Added 2026.6.7 12:04 · Revised 2026.9.2 13:02

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