The hashtag cleanyourcrystals is used on social media to share tips on how to cleanse crystals. Crystals are believed to absorb negative energy from their surroundings, and cleansing can help to remove this negative energy and restore their natural properties. There are many different ways to cleanse crystals, including running water, salt water, smudging, burying, and moonlight. The best way to cleanse your crystals is to experiment with different methods and see what works best for you.