It is well known and widely practiced that men may not dye their hair, as this is considered a violation of "Lo Yilbash" (not Tilbash, btw). But I believe this is limited to hair on one head. Or logically it should be. On a practical level, how common is it for women to pluck gray hairs from their faces to leave behind a nice, dark beard? I think that if a woman has any facial hair, she would likely pluck ALL the hairs on her face, not seek to give herself a rich, darklooking beard. Seth J Jun 15 '11 at 19:06



A: A man may not dye his hair if doing so for beauty or to hide white hair etc. as ugg boots black friday this is a biblical transgression of "Lo Tilbash" not to wear (or otherwise imitate) the ways of the opposite gender. This includes dying hair, plucking out even one white hair for a man, wearing clothing of the opposite gender, men shaving areas of the body that are shaved generally by women, etc. These are very severe prohibitions and a Rav should be consulted to determine what does and does not fall into the prohibition of Lo Tilbash.



The Shaalos U'Teshuvos Minchas Shlomo (Chelek 2 Siman 82 Ois 7) discusses whether a man may have plastic surgery cyber monday uggs when it is being done due to discomfort rather than for beautification. For example if his nose is very unusual. The Minchas Shlomo writes that it is allowed. In addition he writes that for this reason it is permitted to dye or pluck white hairs for a young man where according to his age it is considered a deficiency, and his only reason he is doing it is in order not to have this deficiency.



This is discussed in Mesechet Makkot (20b approximately) I believe in Rashi or Tosafot if not the Gemara's text itself in the context of destroying your beard/hair. From a cursory glance, it's considered to be a violation of that commandment and if you were to do so, you would be liable to receive lashes, provided a correct warning and corroborated testimony, etc. Thus, it seems there is a good precedent for it to be forbidden either in the context of destroying your beard/hair or because of "beged isha", as other answers have covered.