Silok®2216 is a silicone emulsifier of special structure. Different from conventional silicone emulsifier, there are alkyl chain on both ends and side chain of Silok®2216 besides polyether segment in siloxane segment. The compatibility of emulsifier and hydrocarbon type oils and fats have been improved by the alkyl chain, meanwhile it promotes the emulsion with lighter skin feel, its emulsify stability also greatly improved.