also: ひょうじょうじわ
noun
laugh line; smile line; nasolabial fold
Refers to the lines that appear from the sides of the nose to the corners of the mouth, often associated with smiling or aging. Common in beauty and skincare contexts.
最近、表情ジワが気になってきた。
Lately, I've become concerned about my laugh lines.
表情ジワを目立たなくする化粧品を探している。
I'm looking for cosmetics that make smile lines less noticeable.
しわ is a general term for wrinkles or creases on skin, fabric, etc. 表情ジワ specifically refers to facial lines caused by expressions, especially nasolabial folds.
ほうれい線 is the more formal or medical term for nasolabial folds. 表情ジワ is a softer, more colloquial expression often used in beauty contexts.
Compound of 表情 (facial expression) and ジワ (wrinkle), a colloquial term likely coined in beauty and skincare discourse.