洗髪

1. Origins, structure, and basic meaning

• Structure: 洗髪, read せんぱつ, means washing the hair.
• Basic usage: It is used in contexts involving bath preparations or equipment that assists with hair washing.

2. Common pitfalls and similar expressions

• Distinguishing 散髪
  • 洗髪 is hair washing; 散髪 is cutting the hair. Their readings are respectively せんぱつ and さんぱつ.