#prophetmohammad(SAW) hair

Wavy hair:
“The hair of the Messenger of Allah ﷺ was neither very curly nor very straight. It hung down to his shoulders and earlobes.”
(Sahih al-Bukhari, Sahih Muslim)

Few white hairs:
“The Messenger of Allah ﷺ did not have more than twenty white hairs on his head and beard.”
(Sahih Muslim)

On grooming:
“Whoever has hair, let him honor it (keep it clean and well-kept).”
(Abu Dawood)