Conditions it helps with:

How to cleanse:
It is said that Selenite is self-cleansing, however to completely clear of negative energy leave it in moonlight overnight.
NOTE: Selenite is water-soluble and will dissolve over time. Do not ever place it in or near liquid.

How to use:
Laying flat on the ground, place Selenite crystals directly on your forehead and on the ground, around your head. Along with the selenite, you can also use Amethyst crystals for pain relief. Amethyst helps to relieve your headache, as well as fatigue and exhaustion–which can often be the cause of your headache. These healing stones are also said to heal the brain while aiding in relaxation and relieving stress.