Emulsifiers are substances that help to prevent the parting of the of oil and water fractions in a cream or lotion. In natural skin care these include lethicin and the wax cetearyl alcohol ,,. Lecithin is extracted from soya beans and is known to soften the skin and help penetration of the skin care product. Cetearyl alcohol is a mix of the high melting point cetyl and stearyl fatty acids derived from either animal or plant fats. In natural skin care it is preferable to have plant sourced cetearyl alcohol. Apart from its great emulsifying properties, this fatty acid mix facilitates maintenance of skin hydration.