Hydroxypropyl Tetrahydropyrantriol (often marketed as Pro-Xylane) is a synthetic sugar-derived molecule used to support glycosaminoglycan synthesis and improve skin firmness, hydration, and the dermal-epidermal junction. It is commonly included in anti-aging formulations for its effects on skin moisture and elasticity.
| Reported effect | How often | Notes |
|---|---|---|
| Mild transient irritation or redness | Rare | Occasional sensitivity reported, generally mild and resolving. |
| Contact allergy or sensitization | Very rare | Allergic reactions are uncommon; patch testing advised for very sensitive skin. |
| Mild stinging on application | Rare | May occur in compromised or reactive skin, usually temporary. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.