Esters are a broad class of compounds formed from the reaction of an acid and an alcohol, widely used in skincare as emollients, solvents, and texture enhancers to improve spreadability and skin feel. They typically serve a formulation role rather than acting as a therapeutic active.
| Reported effect | How often | Notes |
|---|---|---|
| Contact irritation | Uncommon | Mild redness or stinging possible, depending on the specific ester and concentration. |
| Allergic contact dermatitis | Rare | Sensitization reported to certain esters in susceptible individuals. |
| Comedogenicity (pore clogging) | Uncommon | Some esters, such as isopropyl myristate, are noted as potentially comedogenic in acne-prone skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.