Glyceryl Isostearate
Glyceryl Isostearate
GLY
9/10
Concern level
High concern
Glyceryl Isostearate is a glycerol monoester of isostearic acid used as an emollient, skin-conditioning agent, and low-HLB emulsifier. It improves spreadability, lubrication, pigment wetting, and a rich but non-greasy sensory profile in creams, lotions, cleansers, deodorants, and makeup.
Pore-clogging
Low
Pregnancy
Safe
Regulatory
No data
Benefits
MoisturizingImproves TextureSupports Barrier Function
Chemical Properties
Molecular Weight
358.56 g/molTypical Concentration
0.50% - 10.00%CAS Number: 66085-00-5
Skin Type Compatibility
dry skin9/10
oily skin6/10
sensitive skin8/10
acne prone5/10
mature skin8/10
normal skin9/10
Interactions
incompatible with: No major direct incompatibilities are known, Can increase richness when combined with heavier emollients, butters, and waxes, May be used alongside pigments, fragrance oils, and other lipophilic ingredients to improve dispersion
Risks & Warnings
Low hazard in cosmetics, but its emollient and film-forming nature may feel heavy in very oily or congestion-prone formulas. Because it is a lipid ester, it may be less suitable for users who are highly sensitive to rich emollients or who are trying to minimize malassezia-triggering ingredients.
Vegan Cruelty-Free
