Gidae Skincare Reviews Emulsifiers are chemicals that help to avoid the parting of the of essential oil and water fractions in a cream or lotion. In natural skin care these include lethicin and the wax cetearyl alcohol (1, 2, 4). Lecithin is usually 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 great melting level cetyl and stearyl essential fatty acids derived from either creature or plant body fat.