Black Obsidian Stones have numerous healing properties. A strongly protective stone, it forms a shield against negativity. It blocks psychic attack and absorbs negative energies from the environment. Obsidian draws out mental stress and tension. It stimulates growth on all levels, urging exploration of the unknown and opening new horizons. With all these benefits, imagine how much your skin will Thank You after using a Black Obsidian GuaSha Board to your skincare routine!