Diisooctyl Succinate is an ester of succinic acid used in cosmetics as an emollient and skin-conditioning agent that softens skin and improves the spreadability and texture of formulations. It functions as a base/formulation ingredient rather than a therapeutic active.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Rare | Occasional transient redness or irritation reported, generally in sensitive individuals. |
| Allergic contact dermatitis | Very rare | Isolated reports of sensitization; uncommon for emollient esters. |
| Comedogenicity (pore clogging) | Rare | Potential to contribute to clogged pores in acne-prone skin, though data are limited. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.