Hadith #5945 (Sahih al-Bukhari)
Book: Good Manners and Form (Al-Adab)
Narrator(s): al-Salt bin Muhammad bin 'Abdur Rahman الصلت بن محمد
Grade: Sahih

The Prophet (ﷺ) said, “None of you should say Khabuthat Nafsi but he is recommended to say ‘Laqisat Nafsi (See Hadith No. 202)

Source: https://parallelquran.com/hadith/sahih-al-bukhari-5945/

------------------------------------------------------------

Hadith #5065 (Sunan al-Nasa'i)
Book: The Book of Adornment
Narrator(s): al-Salt bin Muhammad bin 'Abdur Rahman الصلت بن محمد, Ghsan bin al-Aghr bin Husayn غسان بن الأغر بن حصين

The Prophet  forbade coming one’s hair except every other day.

Source: https://parallelquran.com/hadith/sunan-al-nasai-5065/