Also known simply as a composite. A grouping of equities, indexes or other factors combined in a standardized way, providing a useful statistical measure of overall market or sector performance over time.
Parabens are among the most commonly used preservatives in cosmetic products. Chemically, parabens are esters of p-hydroxybenzoic acid. The most common parabens used in cosmetic products are methylparaben, propylparaben, and butylparaben.Typically, more than one paraben is used in a product, and they are often used in combination with other types of preservatives to provide preservation against a broad range of microorganisms.DA has received a number of inquiries on the safety of parabens, which are commonly used as preservatives in cosmetics. Here are answers to questions consumers often ask about these ingredients.
1 Parabens are absorbed in to the body. 2  In one study of Danish men, methyl-, ethyl-, n-propyl-and n-butyl parabens were measurable in 98%, 80%, 98% and 83% of the men, respectively. (Source) An American study found methyparaben in 99.1% of the study samples.he good news is that a lot of companies are reformulating their products without parabens because the word is getting out. The bad news is, though, that they're just replacing parabens with other harmful preservatives like diazolidinyl urea and tetrasodium EDTA.