Snapshot
- Overview
- A plant sugar that draws in moisture and adds antioxidant support.
- Category
- Hydration, Antioxidant, Sensitive Skin
- Type
- Humectant
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?
Our take
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.
What it does
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.
Where you'll find it
Uses in Skincare & Cosmetics
Added to hydrating toners, sheet masks, eye gels, and water-light serums for moisture support and formula stability.
Before you use it
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.
Products with Mannitol
