There were not twenty white hairs on the head and beard of the Messenger of Allah ﷺ.
حدثنا عبد الرحمن حدثنا سفيان عن ربيعة قال سمعت
ما كان في رأس رسول الله ﷺ ولحيته عشرون شعرة بيضاء
Its isnad is sahih. Mentioned previously at 12266.