Almost all plants contain fats or oils, mainly in their seeds. Seed oil is generally extracted from crushed seed by traditional methods or by the Soxhlet procedure using hexane or a suitable hydrocarbon fraction.There are many areas where oils and fats are used for non-food purposes. Thus, detergents, soaps, glycerine ubricants etc. Seed oil extracts are main source of skin care products widely used in Nigeria. Therefore the book concisely explore quality analysis to justify their potential in cosmetic industries