Is mannitol safe in skincare?

Mannitol is a sugar alcohol used as a humectant and sweet taste agent in skincare and cosmetics. Published safety data supports topical use at typical product levels; reactions are uncommon though possible in individuals with extreme sensitivities to polyols.

What does mannitol do for skin?

Mannitol draws moisture into the skin, supporting hydration and smoothness. It also serves as a texturizer and can improve the sensory feel of products.

humectant

Mannitol

Generally safe·Moderate evidence

A polyol (sugar alcohol) that attracts water to the skin. Like sorbitol and glycerin, it is well tolerated in skincare formulas. It is commonly used to boost hydration without the stickiness of other humectants.

Questions

Is mannitol safe in skincare?: Mannitol is a sugar alcohol used as a humectant and sweet taste agent in skincare and cosmetics. Published safety data supports topical use at typical product levels; reactions are uncommon though possible in individuals with extreme sensitivities to polyols.
What does mannitol do for skin?: Mannitol draws moisture into the skin, supporting hydration and smoothness. It also serves as a texturizer and can improve the sensory feel of products.

Products with Mannitol

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.