頭髪

1. Origins, structure, and basic meaning

• Structure: 頭髪 is read as とうはつ and means the hair on a person's head.
• Basic usage: It can refer to long hair that must be tied back or hair color appearing different under strong light.

2. Common pitfalls and similar expressions

• Tying hair back
  • 長い頭髪をまとめる means gathering and securing long hair. Example: 実習の前に長い頭髪をまとめるよう指示された。
• The color of head hair
  • 頭髪の色 specifically refers to hair color and can appear different under lighting. Example: 強い照明の下では頭髪の色が少し明るく見える。