Well, it IS possible to dye your hair with snow and it is also possible to have a bath using 21 litres of water.
I feel like a new person after my micro bath plus managed to 'put a rinse' through my hair just to boost the spirit. The bath water went into the toilet cistern so nothing was wasted.
I miss little things like being able to properly rinse your toothbrush after using it and I'm going to say it. Melted snow tastes rank. There now, it's out and said.