Crillet 1 (Tween 20)

Chemical Name: Polysorbate 20
Other Name: Polyoxyethylene (20) sorbitan monolaurate)

Polysorbate 20 (common commercial brand names Tween 20) is a polysorbate surfactant whose stability and relative non-toxicity allows it to be used as a detergent and emulsifier in a number of cosmestic and pharmacological applications