What it is
This ingredient is obtained from the culture and fermentation of Alteromonas, a genus of marine bacteria, and is typically rich in exopolysaccharides. These polysaccharides bind water and help condition the skin surface, giving a smooth, hydrated feel. It is commonly used in serums and sunscreens as a marine-derived conditioning component.
Safety & warnings
Alteromonas ferment extract is generally well tolerated in topical use. As with other fermentation-derived ingredients, formulation quality and source matter, and rare sensitivity is possible in predisposed individuals. It is not a recognized fragrance allergen and is not associated with comedogenicity.
Origin & sourcing
Derived from the fermentation of the marine bacterium Alteromonas; the extract is taken from the resulting culture, which is high in bacterial exopolysaccharides.
Questions everyone asks
Where does Alteromonas ferment extract come from?
It comes from culturing and fermenting the marine bacterium Alteromonas, producing an extract rich in water-binding exopolysaccharides.
What does it do for the skin?
It conditions and hydrates the skin surface, helping create a smooth, moisturized feel in the formula.