Triethylene glycol is a low-molecular-weight glycol used in cosmetic formulations primarily as a solvent and humectant, helping to dissolve ingredients and retain moisture. It is considered a base/formulation ingredient rather than a treatment active.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Uncommon | Possible transient redness or stinging, generally at higher concentrations. |
Allergic contact dermatitis | Rare | Sensitization reported infrequently in patch-testing literature. |
Eye irritation | Uncommon | Can cause irritation upon direct ocular contact. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.