the 3 are surfactants. The structure and the HLB is
Polysorbate 60 and 80 are very similar and have almost the
same HLB, only difference is the saturation of the aliphatic tail. If you are
using a saturated oil better to use the polysorbate 60 and for unsaturated oil
better the polysorbate 80.
Polysorbate 20 is more hydrophilic
I cannot understand why you classify tween 60
as Thickener and not Tween 80. The only difference between both surfactants is
the alkyl tail, that have the same length (C18) but it is a stearyl in the case
of Tween 60 and Oleyl in the case of Tween 80. I understand that tween 60 is semisolid at room temperature and tween 80 is liquid, but when you solubilize them, both are soluble in water.
ngarayeva001 i trust you J, i have never formulate a product with only
this surfactant. I believe that thickening effect is due to liquid crystalline
phase and stronger interactions with other co surfactant such as cetostearyl
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