Surveys suggest that most Americans consume less than the RDA for copper each day. Up to 10,000 micrograms daily appears to be safe for consumption in adults. Vegan diets appear to provide adequate amounts of copper. In a number of clinical trials copper doses of 2-10 milligrams by mouth were safely used in patients. For plaque inhibition, a 1.1mM copper rinse has been used for four days.
Best Answer: Petroleum jelly or petrolatum is made by refining a byproduct of oil drilling. Petrolatum is a semi-solid mixture of hydrocarbons, having a melting-point usually ranging from a little below to a few degrees above 100Â° F (37Â° C).etroleum jelly is made by touching-up a byproduct of oil drilling, or some left over products of oil drilling. Vaseline is a well-known brand of petroleum jelly. Source(s): http://en.wikipedia.org/wiki/Petroleum_j... Cap'n Eridani Â· 9 years ago. Thumbs up. 1. Thumbs down. 1. 1 comment. Loading ...
VaselineÂ® Petroleum Jelly is made of triple-purified petroleum Jelly which is a blend of mineral oils and waxes. Discovered by Robert Chesebrough in 1859, VaselineÂ® Petroleum Jelly has had a long and dynamic history of keeping skin protected which you can read about HERE.aselineÂ® Petroleum Jelly works by creating a sealing barrier between cells in dry or damaged skin which locks in moisture and speeds up your skinâs natural recovery process, helping it to repair itself.