Linalool is a chemical constituent of many fragrances. Fragrance ingredients are added to cosmetic products to ensure a nice smell, mask the unwanted smell of some ingredients, and enhance the experience of using the product. Fragrances (Perfumes) are usually a mixture of essential oils or aroma compounds, used to give the a pleasant smell.Fragrance ingredients in cosmetics must meet the same requirement for safety as other cosmetic ingredients: they must be safe for consumers when they are used according to labeled directions, or as people customarily use them. This is a responsibility that fragrance manufacturers and the companies that use fragrances in their products take very seriously.