glycerine

Castor oil is also a source of glycerine, and the combination of 'glycerine' and hydroxy fatty acids makes it an excellent emollient and pigment carrier.

Make a mixture with equal parts 'glycerine' , methylated spirits and milk.

The transesterification reaction breaks the link between the fatty acid and 'glycerine' , using base catalysis and an alcohol.

The 'glycerin' (another name of for glycerol) is removed from the system, and soap is isolated by using centrifugation and neutralization processes.

Moisturizers contain humectants, such as 'glycerin' , methyl glucose esters, lanolin, or mineral oil, that replace oils in the skin and promote its effectiveness as a moisture barrier.