Qatada reported,

I asked Anas bin Malik, "Did the Messenger of Allah ﷺ dye his hair?"He replied, "He had not reached that point. There were only a few grey hairs at his temples. But Abu Bakr dyed his hair with henna and katam."

حدثنا بهز حدثنا همام

عن قتادة قال

سألت أنس بن مالك أخضب رسول الله ﷺ قال لم يبلغ ذلك إنما كان شيء في صدغيه ولكن أبو بكر رضي الله عنه خضب بالحناء والكتم