!Use with awareness
In our reference data, Glyceryl Isostearate can feed Malassezia (fungal acne).
What it is
Glyceryl Isostearate is an ester of glycerin and isostearic acid used in cosmetic formulations as a skin-conditioning emollient and emulsifier. It helps blend oil and water phases while softening and smoothing the skin surface.
🍄 Fungal-acne trigger
Side effects reported in research
| Reported effect | How often | Notes |
|---|
| Mild skin irritation | Rare | Occasional transient redness or stinging, typically in sensitive or compromised skin. |
| Allergic contact dermatitis | Very rare | Isolated sensitization reports; considered a low-sensitizing ingredient. |
| Comedogenicity (pore clogging) | Uncommon | Possible in acne-prone individuals depending on concentration and formulation. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
From published literature
Peer-reviewed papers on this ingredient, via PubMed.
- Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate, Glyceryl Arachidate, Glyceryl Arachidonate, Glyceryl Behenate, Glyceryl Caprate, Glyceryl Caprylate, Glyceryl Caprylate/Caprate, Glyceryl Citrate/Lactate/Linoleate/Oleate, Glyceryl Cocoate, Glyceryl Collagenate, Glyceryl Erucate, Glyceryl Hydrogenated Rosinate, Glyceryl Hydrogenated Soyate, Glyceryl Hydroxystearate, Glyceryl Isopalmitate, Glyceryl Isostearate, Glyceryl Isostearate/Myristate, Glyceryl Isostearates, Glyceryl Lanolate, Glyceryl Linoleate, Glyceryl Linolenate, Glyceryl Montanate, Glyceryl Myristate, Glyceryl Isotridecanoate/Stearate/Adipate, Glyceryl Oleate SE, Glyceryl Oleate/Elaidate, Glyceryl Palmitate, Glyceryl Palmitate/Stearate, Glyceryl Palmitoleate, Glyceryl Pentadecanoate, Glyceryl Polyacrylate, Glyceryl Rosinate, Glyceryl Sesquioleate, Glyceryl/Sorbitol Oleate/Hydroxystearate, Glyceryl Stearate/Acetate, Glyceryl Stearate/Maleate, Glyceryl Tallowate, Glyceryl Thiopropionate, and Glyceryl Undecylenate International journal of toxicology · 2004
- Recurrent contact cheilitis because of glyceryl isostearate, diisostearyl maleate, oleyl alcohol, and Lithol Rubine BCA in lipsticks Contact dermatitis · 2009
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