It is narrated from Umm al-Mu'mineen Sayyidah Aisha (may Allah be pleased with her), she says: I and the Messenger of Allah (peace and blessings be upon him) used to bathe together from a single vessel, and the blessed hair of the Prophet (peace and blessings be upon him) was longer than a jummah and shorter than a wafrah.
Hadith Referenceشمائل ترمذي / باب ما جاء فى شعر رسول الله صلى الله عليه وسلم / 25