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Researched by Helena DeMaria-Williams

Formula IngredientHumectant

Trehalose

INCI: Trehalose

Trehalose is a naturally occurring disaccharide sugar composed of two glucose molecules, found in plants, fungi, and insects. It functions as a potent humectant in skincare, binding water to the skin to maintain hydration. Trehalose is particularly valued for its ability to protect cell membranes and proteins from dehydration stress, making it an effective moisture-retaining ingredient.

Category

Humectant

Irritation Risk

Low

Skin Types

all skin types, dry skin, dehydrated skin, sensitive skin

What does this do in a formula?

hydration, moisture retention, skin conditioning, cell protection, skin softening

Is Trehalose safe? Key considerations

Can Trehalose cause irritation?

Low Risk

Trehalose has an excellent safety profile with a CIR rating of A and an EWG hazard score of 1. No irritation concerns have been documented at cosmetic-use concentrations. No EU CosIng Annex II or III restrictions apply.

Does Trehalose increase sun sensitivity?

No Risk

Trehalose does not increase photosensitivity. No sun protection precautions are required.

Is Trehalose safe during pregnancy?

Safe

Trehalose is a naturally occurring sugar with no documented reproductive or developmental concerns. It is widely considered safe for topical use during pregnancy.

How does Trehalose work?

Trehalose is a naturally occurring disaccharide sugar composed of two glucose molecules, found in plants, fungi, and insects. It functions as a potent humectant in skincare, binding water to the skin to maintain hydration. Trehalose is particularly valued for its ability to protect cell membranes and proteins from dehydration stress, making it an effective moisture-retaining ingredient.