What does the card say about shungite in this bath foam? — Shungite Bath foam N3 - Melissa herb 500ml

According to the card, the foam is made on a base of shungite water and contains a shungite mineral complex and extracts of lemon balm, valerian, hops, Chamaenerion angustifolium, Linaria vulgaris, motherwort, mint and Acorus calamus. How shungite differs from ordinary bath additives and why it is needed here, the card does not explain; in the list of ingredients (INCI) it is given as Pelos (shungiit mineral complex).

General information (not a manufacturer's instruction): the full composition is given on the packaging.