Mannitol

Mannitol is a water-soluble sugar alcohol found in algae and plants, used in cosmetics as a humectant and excipient to draw moisture, aid osmotic balance, and add antioxidant capacity; skin-level effects vary by formulation.
Like this ingredient?

Ingredient Snapshot

Overview
A plant sugar that draws in moisture and adds antioxidant support.
Category
Hydration, Antioxidant, Sensitive Skin
Type
Humectant

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps attract and retain moisture for a fresher, plumped look, and provides supportive antioxidant activity to help offset daily environmental stress, depending on the overall formula.

Uses In Skincare & Cosmetics

Added to hydrating toners, sheet masks, eye gels, and water-light serums for moisture support and formula stability.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Typically non-irritating and suitable for sensitive skin; higher levels can feel sticky and may sting on compromised skin. No common regulatory restrictions in topical cosmetics.

Is Mannitol a Good Ingredient?

As a well-established humectant with supportive antioxidant properties, it helps maintain moisture balance without a high irritation profile, which earns it Good. Skin benefits depend on concentration and overall formula.

Products with Mannitol

Related Ingredients