What it does
A marine-derived ferment extract produced by Alteromonas bacteria. Supports skin hydration, soothing, and barrier function.
Best for
Sensitive or compromised skin, urban skin exposed to pollution, and routines focused on calming over correcting.
The full picture
Alteromonas is a genus of marine bacteria whose fermented byproducts contain a profile of polysaccharides, amino acids, and minerals beneficial to skin. As an extract it functions as a humectant-plus-soothing active that pairs well with peptides and antioxidants. Found in ISDINCEUTICS Age Contour as part of the brand's dermo-cosmetic firming and barrier-support story.
Evidence
A marine ferment used for hydration and soothing. Most evidence is supplier and formulation-level rather than independent trials.
Read the source: INCIDecoder: Alteromonas Ferment Extract ->Reviewed August 2, 2026: As of August 2026, this marine ferment remains a hydrating, soothing ingredient supported mainly at the supplier and formulation level.