and no particular order is required. Rather, if he wipes his face with his palms, this suffices for both his face and his palms. He then wipes the backs of his hands, without needing to wipe his palms twice. This is what the Sunnah indicates. These issues are discussed in detail elsewhere. Allah knows best.

Shaykh al-Islām—may Allah have mercy on him—was asked:

If a man cannot find water, or cannot use it because of illness, or fears harm from severe cold or the like, may he perform dry ablution or not?

He replied:

Dry ablution is permissible when water is unavailable and when one fears becoming ill through using it, as Allah Most High indicated by mentioning the sick person and the person who cannot find water. Anyone whom water would harm by worsening his condition, because of a wound or illness, or who fears harm from the cold or the like, should perform dry ablution and pray, whether he is in a state of major or minor ritual impurity. If he may pray, he may also circumambulate the Kaaba, recite the Quran, touch a copy of the Quran, and remain in the mosque.

If he prays, he need not repeat the prayer, whether he is at home or travelling, according to the sounder of the two scholarly views. For the correct view is that anyone who does what he has been commanded to do to the best of his ability, without