Perfume ingredients are substances used to create fragrances. Esters (6 letters) are organic compounds derived from acids and alcohols, and are often used in perfumes to add a fruity or sweet scent. Oils (4 letters) are also used in perfumes, and can be derived from plants, animals, or petroleum. ESSENCES (8 letters) are highly concentrated oils that are extracted from flowers, herbs, and other plant materials, and are used to give perfumes a strong, long-lasting scent. Attars (6 letters) are essential oils that are distilled from flowers, and are used to give perfumes a sweet, floral aroma.