Sunan At-Tirmidhi

Ibn 'Abbas narrated that the Messenger of Allah (s.a.w) said:""Indeed the best of what you treat is As-Sa'ut, Al-Ladud, cupping and laxatives.' And the best of what you use for Kuhl is Ithmid, for it clears the vision and grows the hair (eye-lashes)."" And he said:"" The Messenger of Allah (s.a.w) had a Kuhl holder with which he would apply Kuhl before sleeping three in each eye