Glyceryl Triisostearate
Glyceryl Triisostearate
GLY
8/10
Concern level
High concern
Glyceryl triisostearate, also known as triisostearin, is a triglyceride ester of glycerin and isostearic acid. In cosmetics it functions primarily as an emollient, skin-conditioning agent, and texture enhancer, helping improve slip, spreadability, and a richer feel in creams, color cosmetics, and cleansing systems.
Pore-clogging
Low
Pregnancy
Safe
Regulatory
No data
Benefits
MoisturizingSupports Barrier Function
Chemical Properties
Molecular Weight
891.5 g/molTypical Concentration
0.50% - 10.00%CAS Number: 26942-95-0
Skin Type Compatibility
dry skin8/10
oily skin4/10
sensitive skin7/10
acne prone4/10
mature skin7/10
normal skin8/10
Interactions
incompatible with: No specific direct ingredient interactions are well established., In acne- or malassezia-prone formulas, use cautiously alongside other rich esters and heavy oils.
Risks & Warnings
Generally low hazard and well tolerated in cosmetic use, but like other heavy lipid esters it may feel occlusive on some skin types and can be less ideal for very acne-prone or fungal-acne-prone users. Individual sensitivity is possible, especially in complex formulas with multiple emollients or fragrance.
Vegan Cruelty-Free


