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.
Methylparaben, butylparaben, and propylparaben are some of the most common parabens in cosmetics. Other chemicals in this class generally have paraben in their names (e.g., isobutylparaben, ethylparaben, etc.).i Winter, R. A Consumer's Dictionary of Cosmetic Ingredients, 7th ed.New York: Three Rivers Press, 2009.ethylparaben, butylparaben, and propylparaben are some of the most common parabens in cosmetics. Other chemicals in this class generally have paraben in their names (e.g., isobutylparaben, ethylparaben, etc.).