YOU SAID:
Jackson has beautiful, elongated hair
INTO JAPANESE
ジャクソンは美しい、細長い髪をしている
BACK INTO ENGLISH
Jackson has beautiful, slender hair
INTO JAPANESE
ジャクソンは美しく、ほっそりした髪をしています
BACK INTO ENGLISH
Jackson has beautiful, slender hair
That didn't even make that much sense in English.