Care
Gold doesn't tarnish, and it doesn't mind a bar. Wash it in warm water with a drop of washing-up liquid, use a soft brush in the twists and braids, and dry it with a soft cloth.
Take it off for bleach, chlorine and cleaning. The lower karats are harder and shrug off knocks; 18k is softer and wears a little at the edges over the years, which is how good gold ages. Keep each piece in its own pouch so the twists don't scratch the polish.