YOU SAID:

Her hair is messy see (it’s really messy)

INTO JAPANESE

彼女の髪は乱雑です(それは本当に乱雑です)

BACK INTO ENGLISH

Her hair is messy (it's really messy)

INTO JAPANESE

彼女の髪は乱れています(それは本当に乱雑です)

BACK INTO ENGLISH

Her hair is messy (it's really messy)