私の髪は

my hair

→ 私
phrase Rare #41,259
my hair 私の髪 means “my hair,” and は marks it as the topic. In 私の髪は?, the phrase means “What about my hair?” or “How about my hair?”
JA: 私の髪は長すぎる。
EN: My hair is too long.

私の髪はまだ洗ったばかりで濡れていた

My hair was still wet from washing it.

私の髪は

What about my hair?

— ブゴニア (2025)

私の髪はすぐにカールする

My hair curls easily.

私の髪はジェーンより長い

My hair is longer than Jane's.