The currency value is determined on the economic status of the country issuing the currency. For example: The US Dollar is one of the highest currency's in the world, as well as the EURO. The United States as well as Europe have strong economys.
Dimethicone, which is a silicone oil, is also known as polydimethylsiloxane (PDMS) and is used in a number of health and beauty products.
Supplements for arthritis. A good brand of glucosamine/chondroitin sulfate, at the right dose, may help some arthritis sufferers. The same goes for hyaluronic acid, which is used in beauty treatments much for the same reason it may help some with arthritis, due to its hydrating properties. The fatty acid, Cetyl myristoleate, also seems to be an effective joint lubricant and anti-inflammatory.