Question:
When washing hair during the shloshim for father, do I have to wash hair with cold water? Very very hard ..
Very hard to wash hair in the sink bichlal.
Answer:
Hamakom yinachem eschem b'toch shar aveilei Tzion v'Yerushalayim
If the water is too cold for you to handle you can add a little warm water to it.
Also, why are you washing to hair in the sink during sheloshim? Do it in the bathtub, even if you are not going to take a hot shower.
Best wishes