Vegetable glycerin is a plant-derived humectant that draws water into the skin and helps maintain hydration and skin barrier function. It is widely used as a base ingredient in cosmetic and dermatological formulations.
| Reported effect | How often | Notes |
|---|---|---|
| Skin irritation or stinging | Rare | More likely at high concentrations or on compromised skin barriers. |
| Contact dermatitis / allergic reaction | Very rare | Allergy to glycerin is uncommon but documented in case reports. |
| Temporary skin dryness or tightness | Rare | Can occur in very low-humidity environments where glycerin may draw moisture from skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.