Maltose is a disaccharide sugar used in skincare primarily as a humectant and skin-conditioning agent, helping to attract and retain moisture in the stratum corneum. It is generally considered a low-risk, well-tolerated formulation ingredient rather than a therapeutic active.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient skin irritation or stinging | Rare | Uncommon and usually associated with formulation factors rather than maltose itself. |
Contact dermatitis / allergic sensitization | Very rare | Sugars are weak sensitizers; documented reactions are exceptionally uncommon. |
Sticky or occlusive sensation on skin | Uncommon | A cosmetic tolerability issue at higher concentrations rather than a true adverse effect. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.