Alpha-Glucan Oligosaccharide is a plant-derived prebiotic sugar that selectively nourishes beneficial skin microflora while helping to limit growth of less desirable bacteria, supporting a balanced skin microbiome. It is commonly used in formulations aimed at maintaining skin barrier health and microbial equilibrium.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient irritation or redness | Rare | Generally well tolerated; occasional sensitivity reported in susceptible individuals. |
Contact allergy or sensitization | Very rare | Uncommon for this ingredient; reactions more often linked to other formulation components. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.