What it is
This ingredient is produced by fermenting Pseudoalteromonas, a genus of marine bacteria, and is valued for the exopolysaccharides and glycoprotein components it yields. In cosmetics it functions as a skin-conditioning and moisturizing ingredient that can leave the skin feeling smooth and supple. It is commonly used in hydrating and soothing skincare and sun-care formulas.
Safety & warnings
This ferment extract is generally well tolerated and is often selected for sensitive-skin formulas. As with any fermentation-derived ingredient, individual sensitivity is possible but uncommon.
Origin & sourcing
Biotechnological. It is obtained from the controlled fermentation of marine Pseudoalteromonas bacteria, after which the active fraction is harvested and purified.
Questions everyone asks
Where does Pseudoalteromonas Ferment Extract come from?
It is made by fermenting marine Pseudoalteromonas bacteria and harvesting the polysaccharide-rich extract they produce.
What does it do for the skin?
It acts as a conditioning and moisturizing ingredient, helping skin feel smooth, soft, and hydrated.