Derivative (finance) In finance, a derivative is a contract that derives its value from the performance of an underlying entity. This underlying entity can be an asset, index, or interest rate, and is often simply called the underlying.
Examples. Preservatives are either natural or chemical. Examples of chemical preservatives include nitrates, sulfites, sodium benzoate, potassium sorbate, and propyl gallate. Common natural preservatives include salt, lemon juice (citric acid), vinegar (acetic acid), sugar, and certain spices.unction. Preservatives work in one of three ways. They can prevent growth of microorganisms by creating an environment hostile to them. They can block the process of oxidation that causes foods to turn rancid.
At dmSkincare we are very particular about the ingredients we use in our skin care products. All of our skin care products are paraben-, phthalate-, sulfate-and petroleum-free. dmSkincare products do not contain harmful chemicals, preservatives, artificial fragrances or dyes.arabens are preservatives found in many skincare products. You can spot them easily on the product label because they end with the word paraben. Examples include: methylparaben, proplyparaben, isopropylparaben, isobutylparaben, butylparaben, and sodium butylparaben.