If you live in a place with "hard" water, or water with lots of chemicals, you can even use distilled water to protect your hair when washing it. However, since distilled water doesn't have minerals ...

After 1 hour, I had produced about 1 1/4 cups of distilled water. To recreate a gallon jug you'd find at the supermarket, you'd need about 13 hours of distillation time. If you follow these steps ...