Musannaf Ibn Abi Shaybah 26223 — Those who permitted wearing khazz

It is narrated from al-Ayzar bin Hurayth; he said: I saw Sayyiduna al-Husayn bin Ali (may Allah be pleased with him) wearing a wrap of wool and silk (khazz), and he used to dye his hair with henna and katam (a particular herb).