What is trehalose in skincare?

Trehalose is a natural disaccharide sugar that acts as a humectant, drawing moisture into the skin and stabilizing skin barrier function. It is also a proven antioxidant used in serums, moisturizers, and masks.

Is trehalose safe for skin?

Published dermatologic studies do not identify safety concerns with trehalose at typical concentrations. It is well-tolerated across skin types and is commonly found in hydrating and anti-aging products.

Does trehalose help dry or irritated skin?

Trehalose supports hydration and has published evidence suggesting benefit for barrier-compromised skin. Results are modest; it works best as part of a complete hydrating routine rather than as a single ingredient solution.

humectant

Trehalose

Generally safe·Moderate evidence

A disaccharide sugar that acts as a humectant, drawing moisture into the skin and helping prevent dryness. It is well tolerated and commonly found in skincare formulas designed to support skin barrier health.

Questions

What is trehalose in skincare?: Trehalose is a natural disaccharide sugar that acts as a humectant, drawing moisture into the skin and stabilizing skin barrier function. It is also a proven antioxidant used in serums, moisturizers, and masks.
Is trehalose safe for skin?: Published dermatologic studies do not identify safety concerns with trehalose at typical concentrations. It is well-tolerated across skin types and is commonly found in hydrating and anti-aging products.
Does trehalose help dry or irritated skin?: Trehalose supports hydration and has published evidence suggesting benefit for barrier-compromised skin. Results are modest; it works best as part of a complete hydrating routine rather than as a single ingredient solution.

Products with Trehalose

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.