How should I care for a shungite pendant so that it keeps its appearance for longer? — Shungite pendant with wax string "Ring in a ring"

According to the description, detailed information about the material and care is given on the packaging — follow it. The pendant should be stored in a dry place protected from direct sunlight.

General tips for caring for jewellery made of natural stone and cord (not a manufacturer's instruction): wipe the stone from time to time with a soft dry or slightly damp cloth, without abrasives or harsh products; do not leave the cord in moisture for long, and it is better to take the jewellery off for sport, in the shower and in the pool; keep the pendant apart from metal jewellery so that it does not get scratched.