Dimethicone, also known as polydimethylsiloxane, is a silicon-based polymer that is a man-made synthetic molecule made up of repeating units called monomers. Silicon is the second most abundant element in the Earth's crust after oxygen, and silicon dioxide is also known as sand, commonly found on beaches and shores.
In regards to a job, a refusal letter is written when a company offers a position to an individual who must refuse due to his or her circumstances, such as already having accepted another offer, or simply a lack of interest in this particular job.
A chargeback rebuttal letter is dependent on compelling evidence. Your written explanation of the case will need to be supported by persuasive documentation. Before you start writing your letter or compiling your evidence, take a look at the accompanying chargeback reason code.