BLACK OBSIDIAN has the most powerful energy of all the crystals. It is known as a cleansing and protective stone that draws out stress and tension. It brings skin imbalances such as acne, psoriasis and eczema to the surface and releases them from the body. It extracts negative energy, which some experts say, is beneficial to your muscle tissues. Black Obsidian promotes balance and inner-peace within the body, and has healing powers that can improve your mental well-being (stress, anxiety, etc.) and increase confidence. When fashioned into and used as a gua sha, it helps drain lymphatic fluids, releases fascia, and breaks down adhesion. For the face, it promotes a healthy glow, improves natural moisture levels, and purges the skin of dirt, sebum, and general buildup in the pores. For the body, it helps relieve pain and stiffness in the muscles