Men dyeing hair:[1] It is [Biblically[2]] forbidden for a man to dye white hair to a black color [or other beautifying color[3]].[4] [It is likewise forbidden to dye black or other colored hair to a different beautifying color.[5]] This prohibition applies to even a single hair.[6] [This prohibition applies even […]

Wearing a wool clothing on top of a linen clothing or vice versa:[1] It is permitted to wear a wool shirt on top of a linen shirt [or vice versa]. Tying them together:[2] It is even permitted to tie the two clothing together in a way that they cannot be […]