Xylitol is a sugar alcohol used in topical formulations as a humectant that helps attract and retain moisture in the skin, and it may support the skin's microbiome and barrier function. It is generally well tolerated and considered safe for topical use.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient skin irritation or stinging | Rare | Typically minor and self-limiting, more likely on compromised skin |
Allergic contact dermatitis | Very rare | Sugar alcohols are uncommon sensitizers; isolated reports only |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.