What it is
Polyglyceryl-2 Sesquiisostearate is a diglycerin ester carrying an average of about 1.5 isostearic acid units, giving a lipophilic, low-HLB nonionic emulsifier. It is well suited to stabilizing water-in-oil emulsions and dispersing oils and pigments, and the branched isostearate provides a light, smooth feel. It is commonly used in oil-continuous and pigmented cosmetic systems.
Safety & warnings
Polyglyceryl isostearate esters are generally well tolerated in topical products. Sensitivity is uncommon.
Origin & sourcing
Synthetic ester typically made from plant-derived glycerin and isostearic acid.
Questions everyone asks
What kind of emulsifier is Polyglyceryl-2 Sesquiisostearate?
It is a low-HLB nonionic emulsifier well suited to stabilizing water-in-oil emulsions and dispersing oils and pigments.
What does the branched isostearate add?
It contributes a light, smooth, non-greasy skin feel to the formula.