"What used to be beautiful, healthy, shiny hair seems to turn coarse, wiry, frizzy-fuzzy, dry and not the least bit shiny with age but products for such hair dilemmas (i.e. "normal" problems, not age-related) do nothing to help. Is there anything that helps mature hair to be healthy and beautiful again?"
For Mature Hair such as yours, I would recommend using the Dove Pro Age Shampoo. It is designed specially for ageing hair and People say it makes their hair feel light, fresh, vibrant.