Methyl glucose sesquistearate is a chemical compound, a mixture of mono- and diesters of methyl glucose and stearic acid.
Methyl glucose (methyl α-d-glucopyranoside) is composed of glucose with a methyl ether group. It is produced by transesterification techniques.

What it is used for and where it is used
Cosmetics
Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.
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CAS: 68936-95-8