The shungite component is a carbon-rich mineral from the Karelia region of north-west Russia. In this product it is incorporated into the inner layer of the textile sleeve. According to the product description, shungite is traditionally valued in some Eastern European and Ayurveda-inspired wellness practices as a grounding or calming material to keep close to the body. This is a cultural and holistic use, not a medically proven effect.
From a practical point of view, the mineral sits inside a washable fabric sleeve, so the care you give the sleeve matters more than any special treatment for the mineral itself. Hand washing in cold water with a mild detergent is a good general approach; rinse thoroughly and dry flat away from radiators or direct sunlight. Avoid fabric softeners, bleach, and vigorous wringing, as these can affect the elasticity of the textile and the adhesion of the shungite layer.
Do not try to remove or scrape the shungite layer out of the orthosis. If the inner layer starts to flake or separate after long use, stop wearing the sleeve and replace it. If you are choosing shungite accessories for their traditional associations, keep in mind that they are meant to complement — not replace — a normal routine of movement, rest, and professional care when needed.