Is allowed for males to use a shampoo that has vitamins that prevent gray hair and turns white hair back to normal color. If nowadays males do it like females, and therefore it is not considered Lo Tilbash?
Thank you for your question.
If the pills only prevent the man’s hair from turning gray, they may be taken as this is not considered dying his hair. However, if the pills turn the gray hair back to their normal color. Regarding the aspect that nowadays men also do it, this is controversial, and it would depend on the individual circumstances.
Igros Moshe Y:D 1- 82, Chelkas Yackov Y:D 87, B’tzel Hachochma 5-127(3), Shevet Halevi 3-11(2), Ohel Yackov- Lo Tilbash 110, 113, 114, pg. 136, 152, 161.