Non-ionic surfactants are indispensable tools in modern science, pharmaceuticals, food technology, and cosmetics, where they function as emulsifiers, stabilizers, and solubilizers. Among them, Tween 20 (Polysorbate 20, CAS 9005-64-5) and Tween 80 (Polysorbate 80, CAS 9005-65-6) are two of the ...