Dimethiconol stearate is a chemical compound, end-capped homopolymer, with polymer chains of dimethylsiloxy monomers i in reaction with stearic acid.
Dimethiconol is a synthetic polymer, a kind of silicone rubber similar to dimethicone, and is considered safe from a safety viewpoint by the FDA (Food and Drug Administration).

What it is used for and where it is used
Cosmetics
Skin conditioning agent - Occlusive. This ingredient has the task of modifying the condition of the skin when it is damaged or dry by reducing flaking and restoring elasticity. It has a strong lipophilic character and is identified as an occlusive ingredient; it is generally composed of oily and fatty materials that remain on the skin surface and reduce trans epidermal water loss.
Synonyms: Siloxanes and silicones, dimethyl, [(1-oxooctadecyl)oxy]-terminated
Trade name:

CAS: 130169-63-0